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The CMMG Barrel Sub-Assembly 30DC30A offers a premium option for AR-15 builders seeking a 16.1-inch barrel chambered in 300 AAC Blackout. Made from 416 stainless steel with a bead-blasted finish, this barrel is designed for compatibility with custom AR-15 upper assemblies and balances durability with performance.
This barrel sub-assembly also features a 5/8"-24 threaded muzzle, a .750" gas block journal, and is suitable for a wide range of AR-15 builds chambered in 300 AAC Blackout. It is engineered for reliable function and precise performance.
