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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 […]

Rosco Bloodline Series Barrels

Rosco Manufacturing’s “Bloodline” series is our hardest working barrel. Whether you are an occasional builder, tactical shooter, or Law Enforcement Officer we have a barrel that will fit your needs. All of our Bloodline barrels are made from scratch in our Rhode Island facility and start life as a blank piece of steel. Aside from […]

Rosco Manufacturing 10.5″ (300 BLK) Bloodline Series AR-15 barrel

In this video we highlight the capabilities of our 10.5″ 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 reliability […]

Rosco Manufacturing 11.5″ (5.56) Bloodline Series AR-15 barrel

In this video we highlight the capabilities of our 11.5″ 5.56 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 reliability for […]

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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