Home / Accessory-Silencer Accessories / Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH$7495 $7135 Only 2 left in stock Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH quantity Add to cart SKU: YHM-2060-M Category: Accessory-Silencer Accessories Product ID: 26183 Description Description 9mm Piston For R9 & N2ONot For Sidewinder Suppressors Related products SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211 Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606