Product Description
The Luth-AR BL-11-7 is a 5.56 mm AR-15 barrel built from 4150 chrome moly vanadium steel with a durable black phosphate finish. Its button-broached rifling and 1:7 right-hand twist are designed to deliver consistent performance with a wide range of 5.56/.223 ammunition. This 11.50-inch barrel features M4 feed ramps, 6 lands and grooves, and a 1/2x28 threaded muzzle for compatibility with common AR-15 muzzle devices. It uses a .750 gas block journal.
Product Highlights
- 4150 chrome moly vanadium (CMV) steel construction for strength and longevity
- Button-broached rifling with 1:7 right-hand twist rate
- 1/2x28 muzzle threads to accept many AR-15 muzzle devices and suppressor mounts
- M4 feed ramp and 6-groove rifling for reliable feeding and consistent performance
- .750 gas block journal for broad compatibility with AR-15 gas blocks
Specs
- Brand: Luth-AR
- Manufacturer Part Number: BL-11-7
- UPC: 812058031895
- Platform Fit: AR-15
- Caliber: 5.56 mm
- Barrel Length: 11.50 in
- Material: 4150 Chrome Moly Vanadium
- Finish: Black Phosphate
- Rifling Method: Button Broached
- Twist Rate: 1:7 RH
- Lands/Grooves: 6
- Feed Ramps: M4
- Muzzle Thread: 1/2x28
- Gas Block Journal: .750
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