Rosco Bloodline AR-15/M4 5.56mm Nato Carbine Length Barrel 11.5″ 1:7 Twist- Black Nitride Finish

This Rosco 11.5″ M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build.

ALL NFA RULES APPLY!

Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. Rosco is a long way from our daddy’s “Sporter” AR, and those specs just won’t cut it anymore. From properly managed dwell times for SBR’s, to running Suppressed, or setting up a balanced patrol carbine Rosco has incorporated your needs into Rosco engineering. Rosco has successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel being made.

Features:

• 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: 1/2 x 28
• Gas Block Size: .750
• Gas System Length: Carbine
• Barrel Crown: 11 Degree
• Barrel Finish: Nitride
• Barrel Extension Finish: Nitride