Yankee Hill Machine Sidewinder Piston Adapter .40 S&W 14.5x1mm LH

The Yankee Hill Machine Sidewinder Piston Adapter is a silencer accessory designed for use with suppressor systems chambered in .40 S&W. It features a 14.5x1mm left-hand thread pattern, allowing compatibility with host firearms threaded to that specification. This piston adapter is part of YHM's Sidewinder line, enabling direct-thread suppressor attachment while accommodating the appropriate bore size and thread pitch for reliable suppressor mounting.