Bloodline 11.5" M4 5.56 NATO: This Rosco 11.5" M4 5.56 NATO Bloodline Barrel is designed to be the ideal addition to any SBR or pistol build. ALL NFA RULES APPLY! Rosco 5.56 (NATO) barrels are made to meet the needs of modern carbine shooters. Rosco is a long way from your daddy's Sporter AR, and those specs simply won't suffice anymore. From properly managing dwell times for SBRs, to running suppressed, or setting up a balanced patrol carbine, Rosco has incorporated your needs into its engineering. Rosco has achieved this by selecting the right twist rates, gas port diameters, and barrel materials appropriate for each barrel type.
- Barrel Length: 11.5";Barrel Weight: 20.82 Oz"
- Barrel Material: 4150 CMV
- Barrel Caliber: 5.56
- Barrel Profile: M4
- Twist: 1:7
- Barrel Thread: 1/2X28
- Gas Block Size: .750
- Gas System Length: Carbine
- Barrel Crown: 11 Degree
- Barrel Finish: Nitride
- Barrel Extension Finish: Nitride
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Some firearms, magazines, and accessories are restricted or prohibited in certain states, cities, and counties, and these laws change often. Each order is manually reviewed against the current laws for your shipping address before it ships. If we can't lawfully ship this item to your location, we'll contact you to cancel or adjust your order and issue a refund. You're responsible for knowing and following the laws where you live — if you're unsure, please check or ask us before ordering.
