Our HBAR contour AR-15 barrels are profiled for compatibility with a .750 gas block. An indent is machined opposite the gas port to enable easy installation and alignment. M4 barrel extension, 1/2×28 TPI threaded muzzle. Chambers are finished, but barrels should be headspaced and installed by a qualified gunsmith prior to use.
AR-15 HBAR BARREL, RIFLE GAS, NITRIDE
Available in 20″. 223 Wylde, 1-8 Twist.
SKU: 1520S-HB12-N Categories: .223/5.56, AR-15, HBAR Tags: 3-Gun, ar-15, chrome lined, criterion barrels, hand lapped, Hybrid Contour, match grade, multipurpose, nitrided, Recce, sbr, SPR, stainless steel
|Dimensions||20 x 1 x 1in|
|Gas Block Dia.|
1/2 x 28
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