Yankee Hill Machine Nielsen Piston for Yankee Hill Nielsen Booster Assembly M13.5x1 LH Thread

This Yankee Hill Machine Nielsen Piston is designed for the Yankee Hill Nielsen Booster Assembly. The Yankee Hill Machine Nielsen Booster Assembly replaces the direct thread adapter on a YHM Sound suppressor or any other suppressor on the market which utilizes the 1-3/8"-24. They are designed to be used with handguns and barrels which require a Nielsen Piston spring. 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. Note: Not compatible with Sidewinder suppressors