Schuster M1A/M14 Adjustable Gas Plug

$ 54.95

By adjusting the volume of gas in the cylinder it changes the speed of the op-rod and controls the harmonic vibration of the barrel. Even if you only shoot your M1 once in a while make it last a second lifetime.  Schuster M1A adjustable gas plug softens the blows on your op-rod and wear on the bolt lugs.  Made from Hardened Tool Steel & Parkerized.

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