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 Smith Enterprise 5.56mm DC Muzzle Brake
For AR-15/M-16/M-4 family of rifles chambered for .223 or 5.56mm.  Precision machined from 8620 (fine grain steel) bar stock, heat treated for maximum service life and has a phosphate finish. This new design from Smith Enterprise is a very effective muzzle brake that substantially reduces felt recoil and stabilizes the weapon to keep sights on target.  Has an internal expansion chamber and 4 rows of ports with 3 ports in each row.  Ports are in rows cut to look similar to the Smith Enterprise Vortex Flash Hider.  This is not a flash suppressor.  This is one of the best values available in top quality muzzle brakes.  Very easy installation with no washers necessary.  Has standard AR-15 threads of 1/2x28 Threads per inch.  Sound Suppressor capable.