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The OG-43 sported a very modern design, compared to its contemporaries. The receiver was made of stamped sheet metal, with the magazine serving as a grip. The bulk of the L-shaped bolt, along with the recoil spring, was housed in a cylinder directly above the barrel, which helped reduce muzzle climb when firing.
The MG 45 bolt weighed 845 g (29.81 oz). The receiver housing was a metal stamped construction including a muzzle flash hider. Due to the differing operation mechanism the muzzle booster used on the MG 42 to add more energy to the operating components was omitted on the MG 45, since the recoil amplification was not required. The MG 45 barrel ...
The MG 42's lineage continued past World War II, forming the basis for the nearly identical MG1 (MG 42/59), chambered in 7.62×51mm NATO, which subsequently evolved into the MG1A3, and later the Bundeswehr's MG 3, Italian MG 42/59, and Austrian MG 74. It also spawned the Yugoslav unlicensed nearly identical Zastava M53.
The usual recoil system in modern quick-firing guns is the hydro-pneumatic recoil system. 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 ...
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.
The moving and the motionless masses are coupled by a spring that absorbs the recoil energy as it is compressed by the movement and then expands providing energy for the rest of the operating cycle. Since there is a minimum momentum required to operate a recoil-operated firearm's action, the cartridge must generate sufficient recoil to provide ...
The cyclic rate of the MG 42 design can be altered by installing different bolts and recoil springs. 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 ...
PPS wz. 43, the PPS-43 which was license-produced from 1946 PPS wz. 43/52, a modified version of the PPS-43, with the folding metal stock replaced with a fixed wooden buttstock. [ 11 ] This was mounted to the receiver end plate using two inserts and the receiver take-down hook was bent downwards to accommodate the change.