Development startup
DBP95 type 5.8mm general ammunition and DVP88 type 5.8mm machine ammunition are the main types of 95 type small caliber guns equipped by our army. Among them, DBP95 type 5.8mm ordinary ammunition is used for 95 type 5.8mm gun family, which is used to kill the effective force with individual protection at close range; DVP88 5.8mm machine gun is used for 88 general machine gun and 88 sniper rifle, which is used to kill the enemy's effective force or important target within 800 ~ 1000 m ... These two bullets have different combat effectiveness, but their shapes are basically the same, so it is difficult to distinguish them. After the troops are used, they are easily confused, which brings a lot of inconvenience to storage, training and combat supply. While improving the design of type 95 gun family, the design idea of "combining the above two bullets into one" is also put forward. In June, 2004, the working conference on improving the Type 95 gun family system was held in Beijing, and the development of a new type of 5.8 mm ammunition-DBP10 type 5.8 mm general ammunition was officially started.
Scheme formation
The scheme of DBP 10 type 5.8 mm ammunition is developed on the basis of the design of 95 type 5.8 mm ordinary ammunition and 88 type 5.8 mm machine ammunition, and its development has gone through four stages: scheme design, prototype development, prototype identification and design finalization. The overall design idea is "the internal ballistics are like ordinary bullets and the external ballistics are like camera bullets", that is, by adjusting the internal ballistics parameters, the internal ballistics performance and operational use requirements of barrels of 95 and 95- 1 5.8mm guns, 88 general machine guns and 88 sniper rifles with different lengths and different leads can be met.
DBP 10 5.8mm ordinary bullet consists of warhead, shell, primer and propellant. There are two kinds of shells: painted steel shells and copper-clad steel shells. The former is equipped with boxing anti-rust primer and has only one fire hole. The latter is equipped with Bertin-type rust-free primer, with two fire holes and a fire platform in the middle. The technical performance of the two kinds of casings is exactly the same.
In the design, the shape of the bullet is optimized by reasonably selecting the external ballistic parameters, for example, according to the aerodynamic principle, the curve of the bullet head is designed into a special shape (spline curve head), so that the advantages of the 5.8mm caliber bullet can be fully exerted.
By reducing the diameter of steel core and increasing the thickness of lead sleeve, the flight stability of DBP 10 5.8 mm bullet warhead is improved, which meets the requirements of different barrel lengths (334 mm, 463 mm, 520 mm, 557 mm and 620 mm respectively) and different lead tubes (178 mm and 265438 mm respectively).
By using the shell of H90 warhead, the barrel wear of DBP 10 5.8mm ordinary bullet is effectively reduced, and the comprehensive life of barrel is increased by more than 15%.
The developed DBP 10 type 5.8mm general ammunition is used for short assault rifles, which can kill enemy targets protected by individual soldiers within 300m; Equipped with automatic rifles, it can kill living targets protected by individual soldiers within 400m; Equipped with squad machine guns, it can effectively kill living targets with individual protection within 600m and suppress bunkers and light weapons; It can kill enemy infantry exposed in the range of 1000m and suppress enemy emplacement when it is used in Type 88 general machine gun. Used in the 88-type sniper rifle, it can accurately kill a single important target within 800m m.
Development experience: overcoming difficulties
In the process of developing DBP 10 5.8 mm bullet, developers are faced with one technical problem after another. After analysis and exploration, they are solved one by one, and finally meet the performance of various weapons.
Long-range ballistic performance problem
In the previous external ballistic test, there were some problems, such as the consistency of 800m trajectory could not meet the operational technical requirements, and the penetration power margin of 1000m was insufficient.
At the beginning of the cause analysis, the warhead was designed with double arcs (R 100/R40), and the arc of the warhead was "fat" with a shape coefficient of about 0.98. During the flight, the air resistance is large, resulting in low impact kinetic energy, and the impact kinetic energy of 1000m is only 200 Joules. The exterior ballistic test results show that the penetration power margin at 1000m is very small, and the ballistic consistency at 800m is also difficult to meet the requirements.
The technical measure to solve this problem is to redesign the warhead shape. According to the aerodynamic principle, the curve of the warhead head is designed into a special shape. The curved part of the warhead is sharp and long, and the shape coefficient is about 0.95, which is 3% lower than the original scheme, which can effectively reduce the air resistance and improve the impact kinetic energy.
Implementation Effect By adopting the above measures, the impact kinetic energy at 1000m is increased by about 20 joules compared with the original scheme under the condition that the parameters such as the head height, tail cone length, warhead mass and muzzle velocity are the same as the original scheme, thus ensuring the penetration effect at 1000m and improving the ballistic consistency at 800m m..
Matching problem of gun/bomb system
During the verification test of the prototype, it was found that the gun/bomb system did not match. The concrete manifestation of mismatch is that the qualified rate of shooting density is low when shooting with 95-type 5.8mm gun family; The service life of the barrel of the squad machine gun is only 12000 rounds, which can't meet the index requirement of 15000 rounds.
Cause analysis The above technical problems are deeply analyzed. After many discussions and experiments, it is considered that the lack of flight stability of bullets in the barrel is the main reason for the poor firing density. Bullets wear the barrel seriously, reducing its life.
After discussion and research, the following technical measures are put forward: (1) to improve the flight stability of the bullet itself to meet the use requirements of the 95-type 5.8 mm gun family; For the 95- 1 type 5.8mm gun family, the line bore is redesigned to adapt to the DBP 10 type 5.8mm ordinary bullet.
Therefore, in the improved design of DBP 10 5.8 mm ordinary projectile, the following technical measures were taken.
The diameter of steel core is reduced from 4. 1mm to 3.8mm, so as to increase the thickness of lead sleeve, shorten the length of warhead, properly adjust the position of the centroid of warhead, and shorten the distance between the centroid and the choke center, thus reducing the moment of inertia ratio of warhead and improving flight stability; The bullet was changed from F 1 1 copper clad steel to H90, which reduced the wear on the barrel and prolonged its service life. It improves the manufacturability of the warhead, ensures the tightness of the assembly of all parts of the warhead, and further stabilizes and improves the shooting density of the bullet.
After the implementation of the effect improvement scheme, the gun/bullet matching test of DBP 10 type 5.8mm general ammunition was carried out. The test results show that the firing density of type 95 and type 95- 1 5.8 mm guns meets the requirements of the index; The barrel life of a class-B machine gun can reach 20,000 rounds.
The big problem of hot tub dispersion
After the bullet was changed from F 1 1 copper clad steel to H90 copper, there were some shooting defects such as large dispersion of the impact points and poor consistency of the average impact points when the thermal gun tube was launched.
The reason analysis shows that the main reason for the large-scale diffusion of hot tubes by copper armored warhead is that the armor size of warhead does not match the inner diameter of gun pipeline. Under the condition of warm-up tube, the barrel and the warhead are deformed at the same time, which changes the original matching size relationship between the gun and the bullet, resulting in the reduction of the pressure of the barrel on the steering side of the warhead, which limits the rotating motion of the warhead, the rotating speed of the warhead in the bore and out of the muzzle, and the nutation when out of the muzzle (when the angular velocity of the rotating object is not large enough, its symmetry axis will swing in a certain plane, which is nutation). In addition, compared with the copper-clad steel warhead, the hardness of the copper-clad steel warhead is greatly reduced after heating, and the shooting defects with increased dispersion are more likely to appear when shooting in the hot tube state.
Technical measures: the number of barrel rifling is increased from 4 to 6 to disperse the lateral force of barrel when warhead rotates; The diameter of the barrel bus is adjusted from 5.8 ~ 5.84 mm to 5.82~5.86mm, and the diameter of the bus bar is adjusted from 6.0 1 ~ 6.07 mm to 5.98~6.02mm, which reduces the embedding amount of the warhead when it moves in the bore. In addition, the lead of 95- 1 short automatic rifle and automatic rifle barrel is adjusted from 240mm to 2 10mm, which is consistent with the class machine gun and improves the rotation speed of warhead in the bore.
Implementation Effect By taking the above measures, the DBP 10 5.8mm ordinary bullet can meet the index requirements of the average impact point deviation of1000 m in the cold and hot barrel state stipulated by rifles, short rifles and squad machine guns, and the dispersion in the hot barrel state is obviously improved.
Valuable breakthroughs and innovations
DBP 10 type 5.8mm ordinary projectile has been successfully explored through hardships, and its breakthrough and innovation highlights are shown in the following aspects. The universal design of "one bomb and nine guns" has been realized.
Serialization and universal design of bullets and the realization of "one bullet with multiple guns" have always been the goal of ammunition designers. The successful development of DBP 10 type 5.8mm ordinary bullet makes the original DBP95 type 5.8mm ordinary bullet and DVP88 type 5.8mm machine bullet "integrated into one" become a reality. The bomb can be used in 95- 1 5.8mm gun family (**3 guns), 95-5.8mm gun family (* * 3 guns), 88-5.8mm general machine gun, 88-5.8mm sniper rifle and 03-5.8mm automatic rifle, which is beneficial to the production management of weapons and ammunition, the simplification of production line and the usual storage and maintenance. Compared with similar small-caliber weapons and ammunition systems in the world, the overall technical performance of DBP 10 5.8mm ordinary ammunition is in a leading position.
Improve the understanding of copper armored warheads.
Before the design scheme of DBP 10 5.8mm ordinary bullet was formed, all domestic small-caliber casings were made of F 1 1 copper clad steel. In order to meet the barrel life requirement of 15000 class machine gun, the 5.8mm cartridge case of DBP 10 was changed from conventional to H90 copper. This leads to the shooting defect that the shooting density increases obviously under the condition of hot tube. Repeated experiments show that the dispersion size under the condition of warm-up tube is not only related to the increase of barrel temperature, but also related to the diameter of barrel yin and yang line, the number of rifling lines, the ratio of warhead cross-sectional area to negative cross-sectional area and other factors. This understanding breaks through the traditional design method and concept of light weapons in China, and provides valuable theoretical basis for the future research of light weapons ammunition in China.
The warhead adopts spline curve head for the first time.
In the past, the conventional design of warhead shape was mostly single arc or double arc, but the 5.8mm bullet of DBP 10 adopted spline curve head for the first time, that is, according to the aerodynamic principle, discontinuous points were fitted into arcs as the shape of warhead arc. Experiments show that the bullet shape coefficient of DBP 10 bullet spline warhead is about 3% lower than that of the original DVP88 5.8mm machine bullet (the bullet is in the shape of double circular arc of R 100/R40), which greatly improves the terminal kinetic energy of the bullet, thus ensuring the terminal penetration power and ballistic consistency.
This is the first attempt at home and abroad to develop a small caliber general-purpose bullet. The successful development of DBP 10 5.8 mm bullet marks a major breakthrough and innovation in the design of light weapons ammunition in China. In tactical efficiency, the missile solves the contradiction between muzzle impulse, terminal penetration power, firing density and operational reliability. Technically, the relationship between internal and external ballistics, ammunition and weapons, structure and material selection is well handled, which embodies the unity of tactics and technology and fully embodies the characteristics of small-caliber light weapons ammunition.
YMA 95- 1-600 5.8 mm gun family white light sight.
YMA 95- 1 white light sight with 5.8 mm gun family can also be assembled with 95 gun family. Sights are mainly used to observe the battlefield situation and accurately aim at vivid targets.
YMA 95- 1-600 white light sight inherits the excellent optical performance and zero stability of Type 95 white light sight. In order to improve it, it focuses on improving operability and service, making it superior to the 95-type white light sight. Structural composition
YMA 95- 1-600 white sight is composed of objective lens group, eyepiece group, mirror body group, lighting mechanism, gun mirror connecting mechanism, gun calibration mechanism, hood and eye mask.
The objective lens group is used to image the distant target on the reticle. The eyepiece group images the aiming division and the target image to the position where the human eye can aim easily, so that people can see the enlarged positive image with the division instruction.
The shell of the mirror body group is made of hard aluminum alloy, which is firm and durable.
The lighting mechanism consists of light source, power supply and switch, which is used for aiming and splitting lighting at night or in low illumination environment. It adopts a structural form integrated with the mirror body, which makes full use of the space of the mirror body and has a compact structure. Yellow-green butterfly light-emitting diode is used for lighting, with moderate brightness and comfortable feeling for human eyes; The power supply is a small CR 1/3N lithium battery, which has reliable low-temperature performance and is easy to buy in the market, which is convenient for military logistics support. The drop-shaped indexing lighting switch is beautiful and reliable, which is convenient for single finger operation.
The connection mechanism of the gun mirror is changed from the side connection mode used by the 95-type white light sight to the top connection mode, and the locking pre-adjustment mechanism is cancelled, and it is changed into a locking mechanism with direct clamping and stepless adjustment, which improves the clamping reliability and convenience of use.
The gun calibration mechanism consists of a direction adjustment handwheel and a height adjustment handwheel. By rotating the handwheel, the optical axis of the optical lever is adjusted to achieve the purpose of correcting the shooting aiming point. Every time the direction/height adjusting handwheel rotates for one gear, the corresponding graduation is corrected to 0.25m, and the aiming point at the shooting distance 100m moves by 2.5cm There is a mechanical positioning device in the gun calibration mechanism, which can prevent the time axis from moving when shooting.
A hood is added at the front end of the objective lens group, which can reduce the influence of stray light on aiming and improve the adaptability to the environment.
Eye patch provides the shooter with the correct eye point position, shields stray light and protects his eyes from the impact of shooting.
Excellent performance and outstanding highlights
YMA 95- 1-600 white light sight is only 2 10mm in length, 60mm in height and 250g in mass, which is convenient for storage, carrying and use. Compared with Model 95 white light sight, it has six performance highlights.
Highlight 1
Low baseline, compact and beautiful appearance.
Compared with the 95-type white light sight, YMA 95- 1-600 white light sight lowers the aiming baseline and obviously improves ergonomics. Its overall appearance is streamlined and compact. The surface of metal material is matte after electrostatic spraying, which is harmonious and beautiful with the gun assembly. In addition, the exposed parts of the sight, such as the handwheel cover and battery cover, have the same design style, uniform decorative lines, rounded lines and comfortable operation.
Highlight 2
The card loading mechanism is convenient and quick
YMA 95- 1-600 white light sight adopts top-mounted mode, which is not only reliable in connection with the gun, but also convenient in operation.
Compared with Model 95 white light sight, this white light sight cancels the clamping preset mechanism and adopts the stepless gap adjustment mechanism. Only by operating the locking wrench, the protruding bamboo shoots on the wrench can directly drive the gap adjustment gear ring to realize the adjustment of clamping gap.
When in use, it can be carried out at the same time as clamping the gun and adjusting the clamping gap, which is extremely convenient and fast to operate and improves the clamping reliability.
Highlight 3
With quick aiming and indexing indication.
YMA 95- 1-600 white light sight adopts the built-in reticle setting mode, and the reticle is provided with aiming points of different shooting distances, so that the gap between two adjacent ""can be used to cover the shoulder width of people, and the target distance can be roughly measured. The biggest advantage of this built-in dividing line is that it is equipped with a fast aiming dividing line, which is divided into a semicircle with a cross dividing line inside. For live targets nested in a semicircle, the cross in the center of the semicircle can be directly used for rapid aiming.
In addition, aiming at the defects of the 95-type white light sight that the reticle is thick when aiming at long-distance targets, YMA 95- 1-600 type white light sight refines the reticle to make it slim and easy to aim.
Highlight 4
It has the function of dividing lighting.
YMA 95- 1-600 white light sight has the function of splitting light. When using this function, the illuminated reticle is soft and moderate in brightness, clear and bright, and can be used in dusk or low brightness environment.
The graduation lighting switch is designed in the shape of a water drop, with smooth appearance and polished edges and corners, which not only makes the line of sight look harmonious, but also facilitates one-handed operation. In addition, the indexing lighting switch is also equipped with a marble positioning device, which means that there will be an obvious sense of grading when adjusting, which can prevent the state of the mechanism from changing due to external forces (such as vibration impact).
Highlight 5
Add a hood
YMA 95- 1-600 white sight is equipped with a hood, which can effectively reduce the negative influence of stray light on aiming, especially when used under strong light or direct light, which can prevent light from entering the field of vision and avoid the high background brightness from affecting the observation effect.
The shape of the hood is semi-boat-shaped. Except for the direct light, the propagation of other light rays will not be blocked, and you don't have to worry about the influence of the decrease of luminous flux on the observation effect when you use it in the dark. The adoption of hood greatly improves the environmental adaptability of YMA 95- 1-600 white sight.
Liangdian 6
Design of eye mask with large contact surface
The purpose of designing an eye mask on a white-light sight is to let the shooter quickly find the position of the eye point, observe the full-field image, and prevent the metal shell of the sight from hurting the human eye under the action of recoil. The eye mask of YMA 95- 1-600 white light sight adopts a soft buffer structure with large contact surface, which increases the diameter and area of the eye mask, expands the stressed part of the eye outward and improves the comfort of the eye mask. Which adopts a smooth large arc transition at the expanding part around the eye mask to prevent the eyes from contacting the eyeball when in use.
At the domestic advanced level.
YMA 95- 1-600 white-light sight has excellent performance such as small magnification, large field of view and high transmittance, which can meet the requirements of observation and aiming at the same time. When in use, the target in the field of vision is clear, the appearance is small and round, and it is in harmony with the gun assembly.
MGL 95- 1-300 5.8mm gun family low light sight.
MGL 95- 1-300 LLL sight is successfully developed on the basis of Type 95 LLL sight. Its night vision distance is increased to 300m, and the average time between failures is increased to 2000 hours, which greatly improves the comprehensive performance. Structural composition
MGL 95- 1-300 LLL sight is mainly equipped with automatic rifles of 95- 1 gun family, small group machine guns and short automatic rifles, and can also be equipped with 95 gun family. It is used to aim at realistic targets within 300m at night, and can effectively observe terrain, ground objects and other targets within 400m m. It is mainly composed of objective lens group, eyepiece group, mirror body group, focusing/adjusting mechanism, gun mirror connecting mechanism, gun calibration mechanism, power supply and switch, hood and eye mask.
Objective lens group
The objective lens group images a distant object on the cathode surface of the image intensifier. The objective lens includes a front lens group consisting of a single positive lens with positive power and a double cemented lens, and a rear lens group consisting of a single positive lens with negative power.
Eyepiece group
The eyepiece group magnifies the screen image of the image intensifier and images it in a position that is easy for human eyes to aim at. The first lens of the eyepiece is a negative meniscus lens bent forward, which makes the main face of the whole eyepiece system move forward, makes the eyepiece have a longer front working distance and clearer imaging quality.
Mirror group
Like YMA 95- 1-600 white light sight, its mirror body is made of hard aluminum alloy, which is solid and reliable.
Focusing/adjusting mechanism
There is a focusing mechanism on the objective lens, which can satisfy the clear observation and aiming of targets at different distances. Rotate the focusing handwheel to drive the objective lens group to move axially, and realize the focusing from 10m to infinity.
The eyepiece is equipped with visibility adjustment mechanism, which can adapt to the vision of different human eyes. The visibility adjustment is realized by rotating the visibility adjustment handwheel to drive the eyepiece group to move axially.
Gun mirror connecting mechanism
For example, YMA 95- 1-600 white light sight, its gun mirror connection mechanism is also changed to top connection mode, and the lock preset mechanism is cancelled, and it is changed to direct clamping and stepless adjustment locking.
Gun calibration mechanism
The gun adjusting mechanism adopts internal adjustment mode, and the adjustment amount of height and direction is not less than 15, and it is adjusted in stages, with each stage being 0.25. Adjust the handwheel by rotating the height or direction to correct the shooting aiming point.
Power supply and switch
The power supply adopts high-energy CR2N lithium battery, which has reliable low-temperature performance, easy to buy in the market and convenient for military logistics support. The switch is adjustable. With the increase of rotation angle, the dividing line grows from scratch and the brightness increases continuously to meet the requirements of different environmental brightness.
lens hood
The front end of the objective lens group is provided with a hood, which can prevent the power switch from being turned on by mistake during the day, causing damage to the image intensifier caused by strong light.
eyeshade
The eye mask is designed with six blades, which can be opened and closed freely. Stick it to your eyes when aiming, and it can be turned on by pressing lightly, and turned off by releasing it, so the switch is flexible.
Use process
Installation step
According to the direction shown in the schematic diagram of gun mirror connection steps, clamp the dovetail groove on the gun mirror connection seat into the gun body dovetail guide rail, and then push it forward to the positioning surface according to the direction shown; Then push the lug at the lower end of the locking wrench into the ratchet groove in the direction shown in the figure to lock the wrench. If the connecting seat of the gun mirror is assembled with the dovetail guide rail of the gun body, and the locking wrench cannot be locked due to interference, the lug at the lower end of the locking wrench should be replaced with another ratchet groove, and then the adjustment should be repeated until the gun mirror is locked firmly.
regulate
The gun mirror needs to be adjusted after installation to achieve the best use effect. First, turn on the power switch to enhance the brightness of the dividing line; Then adjust the visibility handwheel to make the dividing line in the mirror clearest; Then turn the focusing handwheel to make the target image of the sight clearest.
Endoscopic department
MGL 95- 1-300 LLL sight has the functions of quickly capturing the target and roughly ranging, which can be realized by covering the shoulder width (0.5m) with the graduation circle in the mirror.
If shooting at the target at 100m, aim at the target with the vertex of the center of the dividing circle "∧"; Aim at the target of 300m, aim at the target of the "∧" vertex below the cyclotron center; When shooting at a distance of 100 ~ 300 m, aim at the target at the corresponding position between two "∧".
The rear projection bright partition setting has small parallax, which is beneficial to improve the aiming accuracy.
Calibrating gun
If the gun calibration mirror is used to calibrate the gun, the plunger of the gun calibration mirror must be inserted into the barrel first, and then the adjusting handwheel is rotated to make the center vertex of the reticle coincide with the center of the reticle.
When using live ammunition to calibrate the reflector, if the impact point is 2.5cm upward, it is necessary to rotate the height adjustment handwheel in the direction indicated by the "downward" arrow (clockwise) for calibration. Otherwise, adjust one gear in the opposite direction. The correction of the left or right impact point is the same as this, just adjust the handwheel in this way.
First-class innovative technology
There are many breakthroughs in the design of MGL 95- 1-300 LLL sight. Adopt domestic high-performance super second-generation image intensifier, which is small in size, light in weight and improved in sight distance. The structural design of the rear projection bright partition improves the aiming accuracy. Compared with model 95 LLL sight, its aiming baseline is reduced by 36mm, which enhances concealment and operability, and has good ergonomic characteristics. Patent technology of opening and closing goggles is adopted to avoid light reflection and enhance concealment.
MGL 95- 1-300 LLL sight is advanced in many indexes, and it is the leading LLL gun sight in China.
QM/QMJ laser pointer
Compared with other weapon systems developed in China, the 95- 1 type 5.8mm gun family pays more attention to the completeness of the system. In addition to the traditional guns, missiles and mirrors, various accessories such as 10 have been developed to make the whole weapon system more powerful and complete, and the combat capability and adaptability to the battlefield environment have been comprehensively improved. QM/QMJ laser pen is one of its many accessories. The laser pointer is equipped with 95- 1 type 5.8mm gun family, and its main tactical task is to aim at short-range targets quickly and accurately at night or in low illumination environment, or indicate the target's orientation, thus forming a deterrent to the targets. In the design of 95- 1 gun family, the integrity of the system is considered as a whole, and the interface is specially designed for the laser pointer, avoiding the need to design an adapter for using the pointer. At the same time, the QM/QMJ laser pointer and the gun family sight are connected in a "top-to-top" way, which improves the reliability and consistency of the system.
Practical performance is favored
In September 2004, QM/QMJ laser pen was successfully developed. After various stages such as scheme demonstration, prototype, prototype and design finalization, the reliability of the product has been steadily improved through continuous optimization of the scheme.
From June 2007 to March 2008, the laser pen was designed and finalized in the national small arms shooting range with gun family system. After many rigorous tests such as technical performance test, vibration, shooting accuracy, environmental simulation, intensity shooting, service operation, reliability and drop, it successfully passed the national shooting range finalization test.
Subsequently, the laser pen went through military tests in cold area, sandstorm area and hot sea area with the gun family system, and carried out night precision shooting, tactical shooting, intensity shooting, mechanism action reliability, service performance, carrying performance and other test items. In the military test, during the night precision test project, after installing the laser pointer, the gun accurately hit the flashing target light source many times, and its practicability was well received by officers and men.
Structural display
QM/QMJ laser pen is mainly composed of laser, power supply, gun mirror connection mechanism, gun calibration and adjustment mechanism, electronic switch circuit and lead switch.
laser
The laser is a semiconductor laser with a wavelength of 650nm, a power of 4.58 ~ 5 MW and a beam divergence angle of 65438±0 mrad. The red dot formed at the target has concentrated energy, small light spot and high aiming accuracy; Under the background illumination of 1 lux, the working distance is 150m.
Power?Supply?
The power supply adopts 3V CR2 lithium battery consistent with MGL 95- 1-300 LLL sight, which simplifies the service supply, and the battery is easy to buy in the market, so the battery equipment is very convenient to use. The battery can adapt to the working environment of -40℃, and the continuous working time at room temperature is more than 10h.
Gun calibration and adjustment mechanism
In order to ensure the shooting accuracy, QM/QMJ laser pen has designed a gun calibration and adjustment mechanism, including a height adjustment mechanism and a direction adjustment mechanism. By adjusting the handwheel, the gun can be calibrated and the height and direction can be adjusted respectively. The mechanism adopts the optical lever adjustment mechanism commonly used in sight, and in order to prevent the zero movement caused by the impact of weapons during shooting, the height/direction adjustment handwheel is also equipped with a zero locking handwheel.
The gun calibration and adjustment mechanism can be manually adjusted and locked without using special tools, which is convenient to use.
Electronic switching circuit
The electronic switch circuit takes two transistors as the main devices, and switches the on and off states of the transistors through the control of peripheral circuits and contact switches. The circuit is compact and reliable, and it has the protection function of reverse polarity of power supply to avoid damaging the circuit when the positive and negative poles of the battery are reversed.
Lead switch
The switch of QM/QMJ laser pen is wire-controlled, and the shooter can tie the lead in a convenient position according to the usage habit. This design is ingenious and novel, which effectively improves ergonomics.
Gun mirror connecting mechanism
The gun mirror connection mechanism adopts a "jacking" connection mode unified with the gun family sight, including a connection base, a locking handle and a locking screw.
The connecting seat is the basic connector, which plays the role of connecting the laser sight and the weapon guide rail; The locking handle is an operating part, which realizes the function of transmitting manpower to the locking assembly and can be automatically reset; The locking screw provides the locking force. By locking the handle, the locking screw and the guide rail plane move forward, which eliminates the gap between the laser pen and the dovetail surface of the weapon guide rail, compresses the weapon guide rail, and realizes the forward locking function.
The QM/QMJ laser pen is convenient, fast and intuitive to aim at, with small volume and light weight. Installed in 95- 1 gun family, it greatly facilitates the shooter to shoot quickly at close range.