Ensures Proper Gas Cylinder Function For Reliable Cycling
Direct replacement for early-style solid screw plug can also replace later, valve-style plugs to prevent gas leaks that impair cycling and reliability. Maintains better gas cylinder pressure to cycle rifles converted to .308/7.62mm ammunition. Threads through the gas cylinder lock and into the gas cylinder to hold the cylinder assembly in place.
Big Book Catalog, Issue:70, Page:162
SPECS: 1018 cold rolled steel, black oxide finish.