The MP-155 smoothbore gun , the technical characteristics of which will be discussed later, was developed by the Izhevsk arms factory. The semi-automatic model is the result of improving the MP-153 variation. During the modernization, the ergonomics, reliability and functionality of the weapon were improved.
Let us consider in more detail the features and parameters of this modification.
Design
Specifications MP-155 justified by the design features of the model. Among them, the following can be noted:
- Cold forged barrel equipped with chrome chamber and working channel. At the muzzle there is a thread for mounting interchangeable constriction devices.
- The gas mechanism is located on the underbarrel tube-type magazine. Its adjustment is carried out by a piston valve. The pressure rating of the bleed gases is adjusted by tensioning the piston spring.
- Tubular magazine with the possibility of lengthening.
- Aluminum receiver with a window for ejecting sleeves and socket hopper clips. On the upper face is a pair of grooves at a distance of 11 mm from each other. At the same time, they form a mounting strip for mounting optics.
Mechanism device
The working mechanism of the MP-155 rifle, the price of which is quite affordable, consists of the following elements:
- a shutter with a swinging tooth, which serves to engage the tail of the trunk when locking; the larva has a mirror without edges with a pair of gear elements of the ejector;
- spring return type, which is installed in conjunction with a gas supercharger, so that it is possible to remove or replace the butt with its adjustment;
- trigger part with a delay lever when shooting the last charge; a lever switch is located near the trigger guard and the bunker of the store;
- ammunition interception mechanism, the lever of which is located on the left side of the receiver;
- safety key in the rear compartment of the trigger guard; to bring the weapon into combat position, you must press this button until the red ring mark appears, while the fuse locks the trigger;
- sighting elements with a ventilated bar and a standard front sight made of fiber thread; a rear sight and a front sight of a rifle type can be installed;
- a semi-pistol box with a gentle grip and a flat ridge butt.
MP-155: technical specifications
Below are the main parameters of the weapon in question:
- Type - self-loading rifle equipped with a gas engine.
- The barrel is smooth with chrome inserts.
- Installation of interchangeable constrictions is provided.
- The chamber length - 76.89 / 7.6 mm.
- Barrel in diameter near the breech - 18.4 / 15.7 mm.
- Barrel length - 610/710 mm.
- Cartridge capacity - 4 rounds.
- Weight - 3.1 kg.
Benefits
Tuning MP-155 allows you to improve the parameters of the gun. The advantages of this modification include the following aspects:
- Reliability and unpretentiousness in service, the ability to use various ammunition.
- Advanced gas engine, customizable for various canopies of gunpowder.
- A versatile barrel focused on firing steel and lead shot with the possibility of installing interchangeable constrictions.
- Cartridges of type 76 and 89 mm, making it possible to use cartridges with cartridges of various standard sizes. In the standard version, four categories of trunk are offered in length.
- A set of calibers is limited to sizes from 12 to 20.
- The buttons for the fuse and the shutter delay are increased , which increases the convenience of their use, and also accelerates the reload of weapons.
- Weight reduction thanks to a shortened aluminum receiver.
Tuning MR-155
As an addition to the design of the gun, you can use gaskets that serve to change the position of the stock in relation to the receiver or completely replace the standard stock with a pistol grip. As a result of modernization, the following positive aspects are highlighted:
- There is the possibility of lengthening the store.
- A fiber optic front sight improves the quality of the sight.
- The trigger mechanism and fuse holder are made of durable polyamide.
- The design of the shock-absorbing recoil pad has been changed, which improves the efficiency of damping recoils.
The MP-155 shotgun, the technical characteristics of which are indicated above, is equipped with an elegant box, a refined forearm. Among the main disadvantages - the fore-end goes behind the receiver, which is not very convenient. Such a design during the hunt can fail at the most crucial moment, catching on a branch or other obstacle.
Cost and reviews
The price of the MP-155 rifle is from 22 to 28 thousand rubles, depending on the configuration. In the secondary market, the unit will cost 1.5-2 times cheaper. When buying, pay attention to the integrity of the working parts and the fastening of the main parts.
As evidenced by the reviews of hunters, the MP-155 is a reliable weapon with good combat and low recoil. The negative aspects of the owners include not quite high-quality assembly, up to twisted trunks or loose arms. Of the ammunition, cartridges rolled up with an asterisk are best suited.