Home / Accessory-Silencer Accessories / CGS Group PISTON 1/2X28 BLACK View cart “SIG SAUER MUZZLE BRK CL 7.62MM 90 DEG” has been added to your cart. Sale! CGS Group PISTON 1/2X28 BLACK$5500 Original price was: $5500.$5335Current price is: $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 Dead Air Armament SIG MOSQUITO THRD ADAPT 1/2X28 $4500 Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 Original price was: $8500.$7561Current price is: $7561. Sale! Rugged Suppressors OBSIDIAN PISTON 9/16×24 $8000 Original price was: $8000.$7196Current price is: $7196. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135.