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Mfg Item #: 90455
This barrel kit contains an SR-556 Takedown cold hammer-forged carbonitrided barrel chambered in 300 AAC Blackout, featuring a 1:7 twist rate, threaded 5/8-24, with Ruger flash suppressor. The barrel is assembled with takedown extension and complete gas block assembly laser-engraved with caliber marking. This kit also includes two 300 BLK optimized 30-round magazines, laser-engraved with caliber marking.