Description
Though Colt has focused its attention on carbines with 14.5-inch (370 mm) barrels and rifles with 20-inch (510 mm) barrels, Colt continues to make carbines with 11.5 inches (290 mm) barrels, which it calls Commandos. Originally, Commandos were assembled from whatever spare parts were available, so Model 733 Commandos could have A1-style upper receivers with case deflectors or A2-style upper receivers, and M16A1-profile 1:7 or M16A2-profile 1:7 barrels. Depending on the specific models, Commandos may have had three-position fire control groups (safe/semi-automatic/three-round burst), or four-position having both full-automatic and burst. The modern Model 933 has a “flattop” receiver, with a removable carrying handle and a MIL-STD-1913 Picatinny rail, with semi-automatic and automatic fire. The Model 935 Commando has the features of the Model 933, but has three-round burst fire instead of automatic. Though originally called the M16A2 Commando, Colt now markets them as the M4 Commando.[15]
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:
- BKF AR15 Assembled Upper Receiver w/ T-Marks
- BKF AR15 11.5″ 5.56 Govt Profile Carine Length 4150 CMV 1/7 Twist Chrome Lined Phosphate Barrel W/ FSB, M4 Handguard Cap and Delta Ring Assembly
- BKF Carine Length Gas Tube
- BKF A2 Flash Hider
- Retro A2 Carbine Length Handguard
- Product comes assembled
- No BCG or Charging Handle
Standard Upper Features:
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Upper is Assembled
Our 5.56 chambered 11.5 inch M4 Carbine Length Barrel is machined from CrMoV steel with a chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension. This barrel includes the front sight base (F-Marked) For M4 flat top Uppers , handguard cap and delta ring assembly.
All NFA/ATF Rules Apply
You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this 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 | 11.5″ |
|---|---|
| Material | 4150 Chrome Moly Vanadium |
| Profile | Goverment |
| Finish | Phosphate |
| Gas System Length | Carbine |
| Gas Block Journal | .750″ |
| Twist Rate | 1:7 inches |
| Muzzle | 1/2×28 Threaded |
| Weight | 26oz w/ FSB |
B. Kings Firearms barrels are manufactured by a Top Tier Barrel Manufacturer to our specifications. B. Kings Firearms 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 barrels when used with match grade ammunition.
PRODUCT SKU: BKF-CUR-11.5CLP-556-2PC-A2FH-1










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