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An alternative design concept for recoil-operated firearms is the inertia operated system, the first practical use of it being the Sjögren shotgun, developed by Carl Axel Theodor Sjögren in the early 1900s, a Swedish engineer who was awarded a number of patents for his inertia operated design between 1900 and 1908 and sold about 5,000 ...
In this system, the barrel is mounted on rails on which it can recoil to the rear, and the recoil is taken up by a cylinder which is similar in operation to an automotive gas-charged shock absorber, and is commonly visible as a cylinder mounted parallel to the barrel of the gun, but shorter and smaller than it. The cylinder contains a charge of ...
In a soft-recoil system, the spring (or air cylinder) that returns the barrel to the forward position starts out in a nearly fully compressed state, then the gun's barrel is released free to fly forward in the moment before firing; the charge is then ignited just as the barrel reaches the fully forward position. Since the barrel is still moving ...
The Auto-5 has a system of bevel rings and a friction piece or pieces, which retard the barrel's rearward travel. Setting these rings correctly is vital to good shotgun performance and to ensure a long life to the weapon, by controlling excessive recoil. The friction rings are set based on the type of load to be fired through the gun.
The AA-12 (Auto Assault - 12), originally designed and known as the Atchisson Assault Shotgun, is a fully automatic combat shotgun developed in 1972 by Maxwell Atchisson. . However, the original development by Atchisson seems to have produced only a few guns at prototype-level, with the development that ultimately led to the gun entering the market being done later by Military Police Systems ...
The inertia recoil system was developed for the Benelli M1, M2, and M3 shotguns in the early 1980s. This short-stroke recoil system is dependent upon the force of the shotgun's rearward movement under recoil. As a result of inertia, heavier loads cycle in a shorter amount of time. [4]
Benelli's range of semi-automatic shotguns operate on the same basic principle of inertial operation, with a fixed barrel, utilizing the kinetic energy of gun recoil.This system requires no outlet for gas or barrel recoil, but operates by means of a spring freely interposed between bolt head and bolt.
Except for the gas operated M4, all Benelli semi-automatic shotguns operate on the same basic principle of inertial operation, with a fixed barrel, utilizing the kinetic energy of gun recoil. This system requires no outlet for gas or barrel recoil, but operates by means of a spring freely interposed between bolt head and bolt.