Home / Accessory-Silencer Accessories / Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28$7495 $7135 Only 1 left in stock Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28 quantity Add to cart SKU: YHM-3225-28 Category: Accessory-Silencer Accessories Product ID: 24695 Description Description 45 ACP Piston For Sidewinder Related products Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 $7865 Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG $17999 $16957 Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 $7135 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 $7135