Home / Accessory-Silencer Accessories / Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH View cart “SilencerCo O-RING BOOSTER PACK” has been added to your cart. 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 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 Original price was: $10000.$8715Current price is: $8715. Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! Dead Air Armament XENO QD NOMAD MOUNT $13900 Original price was: $13900.$11895Current price is: $11895.