Battle Arms Development just rolled out an entire line of new 4150CMV Ar-15 Barrels in 9mm, .300BLK, and .308. The barrels all feature a proprietary tapered profile, magnetic particle inspection, an 11 degree target crown, and a nitride finish on the 4150CMV steel. Various other details on these barrel vary based on length and chambering.
4150CMV Barrels at Battle Arms Development
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