This 10” assembly is chambered in .223/5.56mm medium profile barrel comes with a full front sight. This premium barrel is machined from 4150 chrome moly Vanadium 11595E steel. It is chrome-lined in bore and chamber for long wear and ease of cleaning. The black manganese phosphate finish protects against rust and corrosion. It is button rifled at 1 turn in 9 inches – right hand twist for optimum accuracy. The muzzle is threaded 1/2” x 28 T.P.I. to accept a variety of flash hiders or muzzle brakes.
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