Direct Impingement

Know Your Weapon Terminology: Piston Driven vs Direct Impingement

Posted on 14 November 202314 November 2023 by The Tactical Hermit

Direct Impingement vs Piston Driven Systems There are a number of semi-auto platforms out there with a large number of them using either the Direct Impingement system or the Piston-Driven system. The one that really seems to garner the most controversy is the AR-15 system. The Direct Impingement system was the original design. The AR-15‘s gas system uses…

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