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 Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042 Sale! Dead Air Armament KEYMO FLASH HIDER M14X1LH $8900 $8472 Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 $16957