Home / Accessory-Silencer Accessories / CGS Group PISTON 1/2X28 BLACK View cart “Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24” 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 HUB DIRECT THRD MNT M18X1.5 AI $8900 $8351 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606 Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG $17999 $16957