Home / Accessory-Silencer Accessories / Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 You cannot add "Dead Air Armament GHOST FIXED MOUNT 5/8X24" to the cart because the product is out of stock. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24$7495 $7135 Only 1 left in stock Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 quantity Add to cart SKU: YHM-3235-24 Category: Accessory-Silencer Accessories Product ID: 24701 Description Description 40 S&W Piston For Sidewinder Related products Sale! Gemtech ADAPTER SIG MOSQUITO $4500 $4183 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042