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Rosco Manufacturing 8.2″ (300 BLK) Bloodline Series AR-15 barrel

  In this video we highlight the capabilities of our 8.2″ 300 BLK 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 operational […]

Rosco Manufacturing 10.5″ (5.56) Bloodline series AR-15 barrel

In this video we highlight the capabilities of our 10.5″ Bloodline series barrel. As with all of our Bloodline series barrels this one is made out of 4150 CMV and then the barrel (and barrel extension) are treated in a Salt Nitride Bath for corrosion resistance and extended performance.

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