Home / Accessory-Silencer Accessories / CGS Group PISTON 1/2X28 BLACK View cart “Dead Air Armament WOLVERINE INSERT 15MM RH HK” has been added to your cart. Sale! CGS Group PISTON 1/2X28 BLACK$5500 $5335 Out of stock SKU: CGS-KRK-1/2X28PISTBK Category: Accessory-Silencer Accessories Product ID: 32848 Description Description Fits Kraken/MOD9/Nautilus17-4PH Stainless Steel Related products Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 $8715 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28 $7495 $7135 Gemtech THREAD PROTECTOR 1/2-28 RF $1800