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Rosco Manufacturing 7.5″ (9MM) Bloodline Series AR-15 Barrel

In this video we highlight the capabilities of our 7.5″ 9mm Bloodline series barrel. As with all of our Bloodline series barrels this one is made out of 4150 CMV and then the barrel (and extension) are treated in a Salt Nitride Bath for corrosion resistance and extended performance.We have also optimized accuracy results for platforms that run subsonic/ supersonic ammo by choosing the correct twist pattern to support each appropriately.

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