Home / Accessory-Silencer Accessories / Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH$7495 Original price was: $7495.$7135Current price is: $7135. Only 1 left in stock Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH quantity Add to cart SKU: YHM-3225-ML Category: Accessory-Silencer Accessories Product ID: 24698 Description Description 45 ACP Piston For Sidewinder Related products Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Sale! Dead Air Armament XENO MOUNT FLASH HIDER 1/2X28 $8900 Original price was: $8900.$8472Current price is: $8472. Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 Original price was: $8900.$8351Current price is: $8351. Sale! Dead Air Armament WOLVERINE INSERT 24MM RH LONG $8900 Original price was: $8900.$7865Current price is: $7865.