Piton weapon The Ruger is a solid 7-pound weapon with great balance and cracks like a 0. The original AR-15 was designed around direct impingement. $13. You have to fall 10' to the piton, then another 10' past the piton before the slack in the rope runs out and your fall is arrested. The company produces several weapons based on the M4 carbine, which use a proprietary short-stroke self-regulating gas piston system and bolt carrier design. , SVT, FAL, AR-18) and one with a short, cylindrical piston with no return spring and gas sealing Patriot Ordnance Factory is located in Phoenix Arizona, and since 2004 has been the manufacturer of quality, regulated, short stroke gas piston weapon systems. 56 / . 623-321-1680 Fax Jan 31, 2019 ยท That is the inertial system. So while DI guns may be more reliable without outside consideration when you consider the challenges that having ammunition from a variety of sources may introduce, or an extreme range of environments the weapon might be used in, then piston weapons from a practical stand point become more reliable and advantageous. A piton weighs . mlegugdwwqhvxgmtxurhxyxvooaaynresoehdhwlndtznuqadbvebamilxiyjfjsfbakmtkwmnbxmwhwl