YHM NIELSEN PISTON 1/2"-28 9MM SLV
Yankee Hill Machine Co, Nielsen Pistons, 9mm, 1/2X28, Stainless Steel, Compatible with YHMs Booster Housing YHM-2055 as Well as Many Popular Pistol Suppressors, Silver
YHM's Nielsen Pistons are compatible with YHM's booster housing YHM-2055 as well as many popular pistol suppressors. They are constructed from heat treated 17-4 stainless steel for maximum durability and corrosion resistance. They feature 10 adjustment points to zero any impact shift. Available in a variety of thread patterns to fit most firearms.