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How Does it Work: Short Stroke Gas Piston
The short stroke gas piston operating system is common on modern rifles. It is defined as a gas piston which travels less than the distance of the bolt carrier (and is thus by definition not connected to the bolt carrier). This is in contrast to the long-stroke gas piston, which travels the full length of bolt carrier movement. The short stroke gas piston system was first made popular in the Soviet SVT-38/40 rifles, and was used in the Armalite AR-18, which formed the basis for many modern semiautomatic rifles.
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At Forgotten Weapons I think the most interesting guns out there are the most obscure ones. I try to search out experimental and prototype weapons and show you how they work, in addition to more conventional guns that you may not have heard of before. You’re much more likely to find a video on the Cei Rigotti or Webley-Fosbery here than an AR or Glock. So, do you want to learn about something new today? Then stick around!
