Yankee Hill Machine Sidewinder Piston 40 S&W 14.5x1mm LH - YHM-3235-M

This is a replacement piston assembly designed for use with Yankee Hill Machine's Sidewinder suppressor in .40 S&W caliber. The piston features a 14.5x1mm left-hand thread pattern and is engineered to optimize suppressor performance and durability for .40 S&W handgun applications.