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AR-10 20" Heavy Barrel, .308, 1:10, Stainless

MPN: 1498-B308RHB20110(SS)

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Premium Grade AR-10 Barrel 20" Heavy, W/ 1:10 Twist, .308, Rifle Length, Stainless

100% American made. Barrels are manufactured from two types of steel.

  • 4150 Gun Quality Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved.
  • 416 Stainless Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved.


They are Drilled, Reamed, Rifled, Turned, and if Applicable, fluted on CNC Machines. All our Finished Barrels go through a 100% Inspection Process.

Inspections Equipment includes CMMs and Air Gauges for the Bores. Our Barrels are manufactured under the ISO-9002 Quality Systems.


Additional Length 20
Profile Heavy
Twist 1:10
Finish Stainless
Material 416 Stainless Steel
Thread Pitch 5/8 x 24
Caliber .308
Feed Ramp M4
Flutes none
Gas System Rifle Length
Gas Block System 0.750
Gas Hole Diameter 0.086
Charging Style No
SKU ACC-B308RHB20110-SS-17
Country of Manufacture United States
License Requirement None
Manufacturer US Contractor
Mfg. Part Number 1498-B308RHB20110(SS)
Caliber/Gauge .308 Win
Action No
Barrel Length 20
Barrel Twist 1:10
Barrel Bore Type No
Barrel Finish Stainless
Barrel Fluting None
Barrel Profile Heavy
Mount Type No
Beam Color No
Firearm Fit No
Threaded Barrel No
Condition New
Free Shipping No
Weight 2.45 Lbs

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