Home / Accessory-Silencer Accessories / CGS Group PISTON 1/2X28 BLACK View cart “SilencerCo BRAVO ANCHOR BRAKE 30CAL BLACK” 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! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042 Gemtech ADAPTER MM9 FTM 1/2-28 $7500 Sale! Rugged Suppressors OBSIDIAN PISTON 9/16×24 $8000 $7196 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211