The Yankee Hill Machine Nielsen Pistons 1/2×36 are designed for 9mm caliber, delivering reliable short-stroke piston performance for suppressed firearms. These pistons are compatible with YHM’s booster housing YHM-2055 as well as many popular pistol suppressors, and are constructed from heat treated 17-4 stainless steel for maximum durability and corrosion resistance.
Featuring 10 adjustment points to zero any impact shift, the Nielsen Piston maintains your point of impact during firing cycles. The 1/2×36 thread configuration integrates with a wide variety of suppressor systems, making this a versatile choice for shooters using multiple platforms. This piston is designed for use with R9 and N20 suppressors and is not compatible with Sidewinder suppressors.
