ULTRADYNE C4 556 FOLDING DYNAMOUNT MERCURY 1/2X28

Mercury Muzzle Brake - Progressive 90 Degree Ports - Shrouded Timing Nut Mounting - 416 Stainless Steel - Ultra-Rugged SB Nitride Finish - C4 Dynamount Flip-Up Front Sight - Purely Concentric Sight Picture - Maximum Flexibility - Windage-Adjustable for Zeroing - Indexable to 45 Degrees for Offset Use - Includes 10 MOA Dynalign Aperture and Front Post - CNC Machined Aluminum - The Ultradyne C4 Muzzle Device Combo includes both Mercury Muzzle Brake and Dynamount Flip-Up Front Sight. The Ultradyne Mercury has been meticulously engineered to provide superior recoil reduction and neutralize muzzle rise with a smooth balanced release of blast energy. Progressive 90