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BC-15 | 5.56 NATO | 10.5" Parkerized M4 Barrel | 1:7 Twist | Pistol Length Gas System
This Bear Creek Arsenal AR-15 10.5" M4 contour, parkerized 5.56 NATO barrel has a pistol length gas system with a 1:7 twist. Our 5.56 NATO parkerized pistol barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. Use a Bear Creek Arsenal ar barrel in your next AR15 build and experience superior performance backed by a lifetime warranty!
All finished barrels go through a 100% inspection process. Inspections Equipment includes CMMs and Air Gauges for the bores as well as visual and machine inspection. Visit our YouTube channel to see our AR15 and AR10 barrels in action and get answers to common questions about your gun.
Shop more 5.56 NATO Barrels!
We recommend Point Boat Tail 75 gr. Or Nosler Match Grade 69 gr ammo.


WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to the California P65 Warning site.
Does not include gas block or gas tube
SKU | 1242-B556PM410.517(P) |
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Weight (lbs) | 1.200000 |
Magazine Capacity | N/A |
Length | 10.5 |
Profile | M4 Contour |
Twist | 1:7 |
Finish | Parkerized |
Material | 4150 Chrome Moly Vanadium |
Thread Pitch | 1/2 x 28 |
Caliber | 5.56 NATO |
Feed Ramp | M4 Feedramp |
Flutes | Non-fluted |
Gas System | Pistol Length |
Gas Block System | 0.750 |
Classification | AR Pistol Barrel |
Platform | AR-15 |
Ratings & Reviews
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BCG
IncludedBC-15 | 5.56 NATO Right Side Charging Upper | 16" Parkerized M4 Barrel | 1:7 Twist | Mid-Length Gas System | 15" MLOKSpecial Price $227.42 Regular Price $252.69 -
HAMMER FORGEDBC-15 | 5.56 NATO Upper | 16" Black Nitride M4 Hammer Forged Barrel | 1:7 Twist | Carbine Length Gas System | 15" MLOKSpecial Price $260.27 Regular Price $289.19
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BCG
IncludedBC-15 | 5.56 NATO Right Side Charging Upper | 16" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | 15" MLOKSpecial Price $231.41 Regular Price $257.12 -
BCG
IncludedBC-15 | 5.56 NATO Right Side Charging Upper | 16" Parkerized M4 Barrel | 1:8 Twist | Carbine Length Gas System | 15" MLOKSpecial Price $227.67 Regular Price $252.97 -
HAMMER FORGEDBC-15 | 5.56 NATO Right Side Charging Upper | 16" Black Nitride Cold Hammer Forged M4 Barrel | 1:8 Twist | Carbine Length Gas System | 15" MLOKSpecial Price $254.54 Regular Price $282.82
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BCG
IncludedBC-15 | 5.56 NATO Upper | 18" 416R SS Black Nitride Bear Claw Fluted Heavy Barrel | 1:8 Twist | Mid Length Gas System | 15" MLOKSpecial Price $274.63 Regular Price $305.14 -
BCG
IncludedBC-15 | 5.56 NATO Upper | 16" 416R SS Black Nitride Bear Claw Fluted Heavy Barrel | 1:8 Twist | Carbine Length Gas System | 11.5" MLOKSpecial Price $270.62 Regular Price $300.69 -
BCG
IncludedBC-15 | 5.56 NATO Upper | 10.5" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | Standard HandguardSpecial Price $249.53 Regular Price $277.25 -
HAMMER FORGEDBC-15 | 5.56 NATO Upper | 16" Parkerized M4 Cold Hammer Forged Barrel | 1:7 Twist | Carbine Length Gas System | 15" Light-weight MLOKSpecial Price $249.71 Regular Price $277.46