Description
The 11.5″ Luth-AR barrel is a Government profile” 4150 Chrome Molly Vanadium 5.56 mm” button broached barrel. The barrel is threaded with a 1/2×28 thread pitch” a 1-9 RH twist rate with 6 lands and grooves and an M4 feed ramp. This barrel takes a .750 gas block.
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