Schuster M1 Adjustable Gas Plug
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. Our plug softens the blows on your op-rod and wear on the bolt lugs. Made specifically for use with heavier bullet weights and hotter reloads. Even if you only shoot your M1 once in a while make it last a second lifetime. Made from Hardened Tool Steel & Parkerized. Service rifle legal. Same appearance and configuration as the original. Conforms to CMP 12th Edition Rule 6.1.2. NOT legal for "as-issued" matches.
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