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Manufacturer Image Cartridge Country Type Year AA-52 machine gun: Manufacture d'armes de Saint-Étienne: 7.62×51mm NATO 7.5×54mm French France General-purpose machine gun: 1952 Danuvia 43M: Danuvia Gepgyar: 9×25mm Mauser Hungary: Submachine gun: 1939 FAMAS: Nexter: 5.56×45mm NATO France Bullpup assault rifle: 1978 FNAB-43: Fabbrica ...
A schematic of the lever-delayed blowback mechanism used in the FAMAS assault rifle. Lever-delayed blowback utilizes leverage to put the bolt at a mechanical disadvantage, delaying the opening of the breech. When the cartridge pushes against the bolt face, the lever moves the bolt carrier rearward at an accelerated rate relative to the light bolt.
Unlike the roller-delayed blowback military Heckler & Koch rifles the cocking handle is situated far more rearward and on the right side and features a camming system to help overcome the initial friction exerted by the "bolt head locking lever" anti-bounce mechanism that prevents the bolt from bouncing off the barrel's breech surface.
Though the company folded after the war, in 1996, a new Henry Repeating Arms was revived, dedicated to hand-crafting high-quality lever-action rifles using American materials and techniques.
The Calico Liberty is a roller-delayed blowback-operated semi-automatic rifle (Liberty II) or pistol (Liberty III) chambered for the 9 mm Parabellum. These firearms use an unusual 50- or 100-round helical magazine that allow for a large number of rounds in a relatively compact and convenient package.
The Heckler & Koch SL6 is a roller-delayed blowback operated sporting carbine made by Heckler & Koch. It is chambered in 5.56×45mm NATO. The design was originally based on the Heckler & Koch 630 hunting rifle and is essentially a shorter-barreled version of that rifle. It was marketed throughout the world as a hunting/utility rifle. [1]
A schematic of the lever-delayed blowback mechanism used in the FAMAS assault rifle. The blowback operation is a system in which semi-automatic and fully automatic firearms operate through the energy created by combustion in the chamber and bore acting directly on the bolt face through the cartridge. In blowback operation the bolt is not locked ...
The TAC-1 is an open bolt, blowback-operated firearm that uses a screw-delayed blowback operation that was first used on Mikhail Kalashnikov's submachine gun prototype. The weapon has a grip safety as well as a safety lever on the left side of the receiver, over the pistol grip.