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BC-15 | 5.56 Nato | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Micro Length Gas System
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This Bear Creek Arsenal AR-15 4.5" M4 contour, parkerized 5.56 barrel has a micro length gas system with a 1:7 twist rate. Our 5.56 parkerized rifle 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.
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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 | 2290-B556MPHB4.517P.875 |
|---|---|
| Weight (lbs) | 0.700000 |
| Magazine Capacity | N/A |
| Barrel Length | 4.5 |
| Profile | Heavy Barrel |
| Twist | 1:7 |
| Barrel Finish | Parkerized |
| Material | 4150 Chrome Moly Vanadium |
| Thread Pitch | 1/2 x 28 |
| Caliber | 5.56 NATO |
| Feed Ramp | M4 |
| Flutes | Non-fluted |
| Gas System | Micro |
| Gas Block System | 0.750 |
| Classification | AR Pistol Barrel |
| Platform | AR-15 |
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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.
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About the BC-15 | 5.56 Nato | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Micro Length Gas System