Description

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:

• BKF M4 Mod-0 Dry Film Lubed Assembled Upper Receiver w/ T-Marks
• BKF AR15 13.9″ 5.56 Govt Profile Mid Length 4150 CMV 1/7 Twist Nitride Barrel W/ FSB, Triangle Handguard Cap and Delta Ring Assembly
• BKF Mid Length Gas Tube Nitride
• BKF Extended MK1 Comp Pinned and welded (This will make it 16″ overall, pin and welded)
• Magpul MOE Mid Length M-lok Handguard
• Product comes assembled
• No Handguard, 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 13.9inch Government Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This barrel includes the front sight base (F-Marked) , Triangle 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

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-M4M0-13.9-556-FSB-MOE-EXT