Home / Accessory-Silencer Accessories / CGS Group PISTON 1/2X36 BLACK You cannot add "Gemtech ADAPTER UMAREX RIFLES" to the cart because the product is out of stock. 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! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 $8715 Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 $8444 Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 $7865 SilencerCo O-RING BOOSTER PACK $900