Home / Accessory-Silencer Accessories / CGS Group PISTON 1/2X36 BLACK View cart “Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28” has been added to your cart. Sale! CGS Group PISTON 1/2X36 BLACK$5500 $5335 Out of stock SKU: CGS-KRK-1/2X36PISTBK Category: Accessory-Silencer Accessories Product ID: 29109 Description Description Fits Kraken/MOD9/Nautilus17-4PH Stainless Steel Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 $7135 Sale! Dead Air Armament KEYMO FLASH HIDER M14X1LH $8900 $8472 SilencerCo O-RING BOOSTER PACK $900 SilencerCo DELTA 1/2X28 THREAD SPACER $1900