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  • 4150 Gun Quality Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved.
They are Drilled, Reamed, Rifled, Turned, and if Applicable, All our Finished Barrels go through a 100% Inspection Process
Additional Information

Length	7.5
Profile	Heavy Barrel
Twist	1-7
Finish	Parkerized
Material	4150
Caliber	.300 Blackout
Feed Ramp	M4
Flutes	N/A
Gas System	Pistol
Gas Block System	0.750
Gas Hole Diameter	0.072

AR-15 BARREL: 7.5'' HBAR 1/7 TWIST 300 BLACKOUT PARKERIZED

$109.99

 Product Description

7.5" 300 BLACKOUT

300 BLACKOUT CHAMBER

1/7 TWIST

4150 STEEL

HEAT TREATED TO RC 28-32

.750 DIAMETER

M4 FEED RAMPS

PARKERIZED

MADE IN THE USA

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