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The Rosco Manufacturing Bloodline 16" Heavy Barrel in 5.56 NATO is designed for AR-15 users seeking a durable and reliable upgrade. Crafted from 4150 chrome moly vanadium steel with a nitride finish, this heavy-profile barrel supports high-volume shooting and consistent performance.
Made in the USA by Rosco Manufacturing, this barrel features 1/2x28 muzzle threads, a .750" gas block journal, and an 11-degree crown, making it a proven component for demanding rifle builds.