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The FG 42 (German: Fallschirmjägergewehr 42, "paratrooper rifle 42") is a selective-fire 7.92×57mm Mauser automatic rifle [4] [5] produced in Nazi Germany during World War II. [7] The weapon was developed specifically for the use of the Fallschirmjäger airborne infantry in 1942 and was used in very limited numbers until the end of the war.
Since the spring can only be compressed a certain amount, this limits the amount of force the spring can absorb, and provides an inherent level of self-regulation to the action, allowing a wide range of shotshells to be used, from standard to magnum loads, as long as they provide the minimum recoil level to compress the spring. Note that the ...
Nevertheless, "perceived" recoil limits vary from shooter to shooter, depending on body size, the use of recoil padding, individual pain tolerance, the weight of the firearm, and whether recoil buffering systems and muzzle devices (muzzle brake or suppressor) are employed. For this reason, establishing recoil safety standards for small arms ...
Animation of the Vickers muzzle booster operation, showing the expanding gases pushing the barrel to the rear relative to the cooling jacket. A Vickers-type muzzle (or recoil) booster, the "typical" type, consists of two parts: a flared "cup" on the muzzle of the barrel, and a perforated tube around the end of the muzzle, attached to the main body of the weapon.
New semi-automatic civilian reproductions of the MKb 42(H), MP 43/1, and StG 44 are being manufactured in Germany today by SSD (Sport Systeme Dittrich) and distributed by HZA Kulmbach GmbH [35] in the original 7.92×33mm Kurz chambering and accepting the standard magazines. The PTR-44 by PTR Industries was produced for a short while, but was ...
MG 42/59: Italian variant produced by Beretta, Whitehead Motofides and Franchi, since 1959, Chambered in 7.62×51mm NATO. The bolt weight was increased to 1,200 g (42.33 oz)) for a reduced 800 rounds per minute cyclic rate of fire. Used mainly mounted on vehicles and has largely been phased out by the FN Minimi.
The simplest form of recoil buffer is made from a resilient and deformable material (leather, rubber, polymer e.g. a rubber butt pad on a shotgun). [1] A second way of producing a recoil buffer is to insert a spring into the recoil train—the path/part(s) generating recoil impulse.
A heavier bolt uses more recoil energy to overcome inertia, thus slowing the cyclic rate of the action. The heavy bolt was used along with a stiffer return spring. The original MG 42 guns Saginaw Steering Gear reversed engineered their T24 prototypes from had a significantly lighter 17.8 oz (505 g) bolt. [5]