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CMC Triggers AR-15 barrel designed for SBR or pistol builds. Made from 4150 Chrome Moly Vanadium steel, SOCOM barrel profile, coated in Blacknitride+ for increased wear resistance, chambered in 223 Wylde so you can feed it both .223 and 5.56 NATO ammo. Features M4 feed ramps for reliability; 11-degree match crown for increased accuracy; bottom dimple for easy gas block install and alignment; SOCOM Profile; carbine length gas system; air gauged. Gas block diameter: .750" with a gas block journal length of 1.13".
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A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
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Guide
A neutral guide to how barrel length affects velocity and handling, how profile changes weight and heat management, and how twist rate stabilizes different bullet weights.
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