Our 18" 5.56 Rifle Length Barrel is the perfect addition to your AR15 build. Crafted to mil- spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish, this barrel provides time tested precision and accuracy for your AR15 rifle.
This barrel is HP and MPI tested.
Caliber 5.56 NATO Barrel Length 18" Barrel Profile SPR / Heavy Barrel Material 4150 Chrome Moly Vanadium Barrel Finish QPQ Corrosion Resistant Gas System Length Rifle Gas Block Journal .750" Gas Port Size (inches) 0.0935 Twist Rate 1:7 inches Thread Pitch 1/2-28 Threaded Barrel Extension M4 Weight(s) 40oz
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