Description
This product is 100% Made in the USA! Our gas tubes, gas blocks and even roll pins are all proudly manufactured in the US. All Complete uppers are headspaced prior to shipping and test fired.
Includes:
- M16A2 Upper Receiver
- BKF AR15 20″ 5.56 Govt Profile Rifle Length 4150 CMV 1/7 Twist Nitride 4150 Barrel W/ FSB, Triangle Handguard Cap and Delta Ring Assembly
- BKF Rifle Length Gas Tube Nitride
- BKF A2 Flash Hider
- Midwest G2 quad rifle length rail 2 piece
- Product comes assembled
- No BCG or Charging Handle
Standard Upper Features:
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Upper is Assembled
This BKF 5.56 chambered 20 inch Government Profile 4150 Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This 4150 Barrel includes the front sight base (F-Marked) , handguard cap and delta ring assembly.
All NFA/ATF Rules Apply
You may use this 4150 Barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this 4150 Barrel along with a Non-NFA lower receiver is Prohibited, except when permanently attaching a muzzle device extending the length to 16 inches.
Additional Info
| Length | 20″ |
|---|---|
| Material | 4150 Chrome Moly Vanadium |
| Profile | Government |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | Rifle |
| Gas Block Journal | .750″ |
| Twist Rate | 1:7 inches |
| Muzzle | 1/2×28 Threaded |
B. Kings Firearms 4150 Barrels are manufactured by a Top Tier 4150 Barrel Manufacturer to our specifications. B. Kings Firearms 4150 Barrels are made for combat and heavy duty use. We rate all of our Pinned Gas Block models for full auto use. We guarantee 1 MOA or better on all BKF 4150 Barrels when used with match grade ammunition.
PRODUCT SKU: BKF-CUR-M16A2-20-556-QUAD-A2FH
Timothy H. (verified owner) –
Excellent quality and service, I love how they are test fired also