RU203258U1 - SHOULDER SMALL ARMS - Google Patents

Abstract

The claimed utility model relates to the field of small arms technology. The technical result, which consists in effectively reducing the physical load on the shooter's arms, multiplying the length of the barrel, increasing the range of the bullet, is ensured by the shoulder small arms with the location of the center of mass of the weapon on the shoulder of the shooter. 1 wp f-ly, 1 dwg.

Description

The utility model "Shoulder small arms" relates to the field of small arms technology, IPC F41.

It is intended to improve, improve the combat, tactical, technical and operational capabilities of some types of firearms.

The proposed utility model assumes the possibility of increasing the firing range of firearms, reducing the physical load on the shooter's hands, which will improve the accuracy of hitting the target.

State of the art

Currently, small arms are widely represented in various models of firearms, both automatic and semi-automatic, with a wide range of tactical and technical characteristics.

The closest analogue of the proposed model are sniper rifles, such as SVD, as well as carbines with an elongated barrel.

Further improvement of the combat and tactical and technical characteristics of firearms is limited by the length of the barrel and its weight.

The technical problem of increasing the firing range consists in the need to limit the length of the barrel, in the frequency of the periods of resonant vibration of the barrel.

The operational capability of hand-held firearms is limited by the physical capability of the muscular strength of the shooter's arms.

The design feature of the utility model allows to multiply the barrel length, as well as to unload the shooter's hands.

Disclosure of the essence of the utility model. "Shoulder small arms" hereinafter (PSO) is a device consisting of several parts, functionally combined in a single structural form.

General schematic view of an armed USAR gunner is shown in the figure (Fig. 1).

PSO consists of structural devices similar to those used in existing firearms: barrel, receiver, return and trigger mechanisms, butt, etc.

The design feature of the PSO is a change in the layout of the weapon components during combat use, relative to the shooter's body (1) (Fig. 1).

An essential distinguishing feature of the PSO is the removal of part of the receiver behind the shooter's back. Behind the shooter's back is the main part of the receiver (2) (Fig. 1), it contains a bolt carrier with a bolt, a return mechanism with pushers and a piston, a sleeve ejector, a part of the firing mechanism, two windows (5) for magazines with cartridges, a window for ejection of liners (not shown).

In the PSO, the relative position of the components is structurally changed. The buttstock (3) (Fig. 1), is located and attached to the bottom of the receiver (2), with the ability to change the place of fixation along the front. Adjusting the position of the butt allows the shooter to adjust the optimal position of the handles for holding the front of the weapon.

Removing part of the receiver (2) behind the shooter's back significantly relieves the front of the weapon, while the main load of the weapon's weight falls on the shooter's shoulder.

This arrangement provides a comfortable and stable position of the weapon on the shooter's shoulder, thus relieving the shooter's hands.

When firing a shot, the mechanical movement of the shutter backward, the ejection of the sleeve and residual gases do not affect the shooter's organs of vision, do not distract from observing the front.

The removal of a part of the barrel behind the shooter's back allows lengthening the barrel of the weapon (4) (Fig. 1), without its critical increase along the front. The elongated receiver (2) at the same time gives a more rigid position to the barrel, which leads to a decrease in resonant beat. When designing a PSO, it is necessary to distribute the weight of the weapon 50% by 50%, with the center of the balance on the shoulder of the shooter.

The location of the receiver (2) behind the shooter's back makes it possible to significantly increase its size and equip two windows (5) for connecting two magazines with cartridges. In this case, when the ammunition in the first store runs out, the transfer of cartridges from the second store is automatically transferred.

The technical result of the proposed utility model is an effective reduction in the physical load on the shooter's hands, a multiple increase in the length of the barrel, which makes it possible to increase the flight range and the accuracy of the bullet hitting the target.

The technical result of the utility model is achieved due to the balanced distribution of the total weight of the weapon on the shooter's shoulder, the ability to fully use the physical strength of the shooter's hands for aiming and holding the weapon when firing a shot.

The technical result is achieved due to the possibility of a two-fold increase in the length of the barrel, with the general effect of the barrel length of a similar firearm. In fact, shooters with POS and SVD see at the same distance the sighting device at the end of the barrel.

The simplicity of the design allows the use of PSO in rifle units as a covering or support weapon, at the rate of one or two PSO per squad.

Combat use in the ground forces:

- during defensive operations, the PSO limits the active actions of the enemy on the distant lines, fetters the regrouping of the enemy behind the front line;

- during offensive operations, the PSO actively covers the infantry offensive, suppresses enemy firing points.

The design feature of the receiver (2) is the attachment points, with the possibility of adjusting the position of the butt (3), handles for holding the barrel and bipods (not shown).

The constructive placement of the receiver (2) behind the shooter's back makes it possible to equip the windows (5) for connecting magazines on the sides of the receiver (2), on the left and on the right, with a lower window for ejection of sleeves (not shown), which will significantly reduce noise and unmasking factor ejection of the liner.

Automatic reloading of PSO is carried out by a classic return mechanism. When the cartridges from the magazines are completely used up, the lock for stopping the shutter frame in the retracted position is triggered. After replacing empty magazines with magazines with cartridges, the shutter frame stop lock is automatically removed, the cartridge is sent to the chamber, the weapon is ready to fire. To remove the bolt frame from the stop lock, an emphasis in the form of a recessed button is brought out of the receiver (not shown).

The fuse has three positions: trigger lock, single shots, automatic fire.

Manual reloading of the PSO is carried out by mechanically moving the cocking handle (6) to the rear position, while the pusher acts on the bolt carrier, which compresses the return spring. The spring returns the bolt frame, pusher and cocking handle to the forward position, while the cocking handle is automatically fixed by a spring-loaded ball bearing. With further automatic firing, the platoon handle does not move, is in a fixed forward position and does not affect the reciprocating trigger.

The base of the receiver is equipped with a rubber stop (7) (hereinafter referred to as the "heel"). The "heel" (7) is designed to prevent mechanical damage to the base of the receiver (2). PSO is installed on the "heel", while keeping the weapon on the ground at the foot, as well as when shooting while standing from the stop (from the wall).

When preparing to shoot from a prone position, from a kneeling position, standing or in motion, the weapon is always on the shooter's shoulder, which helps to relieve the muscles of the arms.

Claims (2)

1. Shoulder firearms are small firearms with the center of mass of the weapon on the shoulder of the shooter. 2. Shoulder small arms according to claim 1, characterized in that part of the receiver and the barrel are placed behind the shooter's back, and the shoulder stock and the holding handle are attached to the bottom of the receiver with the ability to adjust the position.

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