Home / Accessory-Silencer Accessories / Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 View cart “Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH” has been added to your cart. 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! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 $7561 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606 Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211