ArmaLite Inc Barrel 5.56 Nato 16-Inches 1:7 M4 Profile Carbine Length Md: EPCT07C01

223/5.56X45mm M4 Barrel features a Carbine-length gas system and a 1:7 twist rate. Has a chrome moly construction with a chrome lined bore. Threaded 1/2X28 with a .750 gas block journal.



Specifications:

- Caliber: 223/5.56X45

- Barrel" 16"

- Rifling Twist: 1:7"

- Muzzle Device: N/A

- Front Sight Base: .750 journal

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