Rosco Barrel 5.56 11.5″ Bloodline is the next barrel you need. Their Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. From properly managed dwell times for SBR’s, to running Suppressed, or setting up a balanced patrol carbine They have incorporated your needs into our engineering. We have successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel we are making (not a lazy blanket method). We have also balanced input from our consumers and military end users in order to bring you the rifle barrels you need, not just the one we want to sell you. Rosco Barrel 5.56 11.5″ Bloodline is truly a superior piece of equipment.
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