Customer Service | Hours: Mon-Fri 9AM-5PM EST  Phone: (704) 774-1102

NOTICE: Placing an order for item(s) that require an FFL transfer? We HIGHLY recommend contacting your FFL before placing your order. Due to recent events it could be possible they are delayed, closed or not accepting transfers.

Swipe for More

AR-15 10.5" Heavy Barrel, .300 Blackout, 1:8, Stainless

MPN: 1102-B300PHB10.518(SS)

Consider These In-Stock Alternatives...


AR-15 10.5" Heavy Barrel, .300 Blackout,1:8, Parkerized
MSRP: $119.99  | 

Regular Price: $130.99

Special Price: $104.79

AR-15 16" Heavy Barrel .300 Blackout, 1:8, Parkerized
MSRP: $136.98  | 

Regular Price: $139.99

Special Price: $111.99

AR-15 7.5" Heavy Barrel, .300 Blackout,1:8, Parkerized

Regular Price: $127.99

Special Price: $102.39

AR-15 16" Heavy Barrel, .300 Blackout, 1:8, Parkerized
MSRP: $136.98  | 

Regular Price: $130.99

Special Price: $104.79

AR-15 8.5" Heavy Barrel, 300 Blackout, Parkerized Finish, 1:8 Twist

Regular Price: $130.99

Special Price: $104.79

AR-15 16" Barrel .300 Blackout, 1:8, Black Nitride

Regular Price: $158.99

Special Price: $127.19


Premium Grade Stainless AR-15 Heavy Barrel, 10.5",1 in 8 twist
Gas port drilled for pistol length gas setup and threaded for comp.
Barrel Extension in the rear with M4 feed ramps... drilled with a 0.125" gas port opening at pistol length. It has a .750 gas block diameter,  ready to install into the receiver.
.300 Blackout

Don't forget the AeroShell 33MS Mil Spec Armorer's Grease!

  • This is a premium grade 10.5" Stainless  AR-15 heavy barrel from a well-known U.S. contractor/barrel manufacturer. 
  • These premium barrels are renowned for their deep, crisp, and consistent rifling and extreme accuracy.
  • 1 in 8 twist, gas port drilled at 0.125 and set up for pistol length gas system with a .750 gas block diameter
  • Threaded for any standard AR-15 compensator. 
  • Barrel Extension in the rear with M4 feed ramps ready to install into any standard AR receiver.
  • They are Drilled, Reamed, Rifled, Turned, and if Applicable, fluted on CNC Machines.  
  • All of the 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 10.5
Profile Heavy Barrel
Twist 1:8
Finish Stainless
Material 416R Stainless
Thread Pitch 5/8 x 24
Caliber .300 Blackout
Feed Ramp M4
Flutes N/A
Gas System Pistol
Gas Block System 0.750
Gas Hole Diameter 0.125
SKU ACC-B300PHB10.518-SS-125
Country of Manufacture United States
License Requirement None
Manufacturer US Contractor
Mfg. Part Number 1102-B300PHB10.518(SS)
Caliber/Gauge .300 Blackout
Action No
Barrel Length 10.5
Barrel Twist 1:8
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 1.50 Lbs

Why Customers Bought This

Questions & Answers

Customer Photos & Videos

Others Also Viewed...