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AR-15 Gas Systems: The Complete Guide

A regular AR-15 fires, ejects, and chambers rounds using either a direct-impingement or piston-operated gas recoil system. That’s a mouthful, let’s just call it a gas system either way. Just like the AR-15 comes in a plethora of calibers and configuration, so too does its gas system. There is no real, “universal” logic for picking […]

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