Home / Accessory-Silencer Accessories / CGS Group PISTON 1/2X28 BLACK View cart “Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI” 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 Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042 Sale! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 $8472