Sadlak National Match Grooved Gas Piston M1A, M14 TiN Coated Stainless Steel

This precision gas cylinder piston is made to exact GI specifications with all critical dimensions individually inspected. The 420 stainless material and heat-treating operations are both certified to assure quality. The piston has a highly polished surfaced using a non-contact electro-polishing method that maintains tolerance on the critical diameter and does not "round-over" the edges on the grooves. The piston is hard coated with a gold colored Titanium Nitride (TiN) finish. This coating,