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How Does It Work: Patents and Blueprints

Forgotten Weapons • 10m

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  • How Does it Work: Operating vs Lockin...

    To properly understand how firearms work, one must first recognize the difference between two fundamental mechanical systems in them. One is the locking system, and the other is the operating system. The locking system is what keeps the breech end of the gun sealed when firing (examples include t...

  • How Does it Work: Long Stroke Gas Piston

    The long stroke gas piston system was in its heyday about 50 years ago, and was popular in both rifles and machine guns. The principle is that the gas piston is fixed to the bolt carrier, and both cycle rearward for the full length of the cartridge upon firing. The system was used in such disting...

  • How Does it Work: Long Recoil

    Long recoil operation is one of the most mechanically interesting of the main firearm operating systems. When the gun fires, the recoil energy generated forces the barrel to move rearward, and the bolt remains locked into the barrel until the two reach the full length of travel (the length of the...