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. Complete Assembled A1 Upper with A1 Sight with 11.5″ 4150 Barrel and 6″ Retro Extended Flash Hider(Pinned and Welded to over 16″ 4150 Barrel Length).
Includes:
- BKF M16 Slick Side Assembled Upper Receiver
- BKF AR15 11.5″ Pencil 4150 Barrel – 1-7 Twist
- BKF Carbine Gas Tube
- BKF Retro 6″ XM177 Style Flash Hider (Pinned to over 16″ for Rifle Builds)
- A1 Rear Sight Assembly
- Carbine Length A1 Triangle Handguard
- Product comes assembled
- No BCG or Charging Handle
Standard Upper Features:
This Stripped Slick Side Upper Receiver is made from 7075-T6 aluminum forgings machined to final dimensions. Correct early-style carry handle contours with A1-pattern rear sight housing. The Slick Side A1 Upper eliminates the shell deflector and forward assist. Dust cover, charging handle and rear sight components sold separately. All points where other parts attach are finished current mil-spec dimensions. Current production AR-15 components will fit perfectly.
Note that the AR-15 / M16 Slick-side Upper Receiver is period-accurate therefore it DOES NOT have M4-type feed ramps found on most current-production AR-15 flattop upper receivers.
This BKF 5.56 chambered 11.5 inch 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 (NON F-Marked) For A2 Uppers , 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
Length | 11.5″ |
---|---|
Material | 4150 Chrome Moly Vanadium |
Profile | Pencil |
Finish | QPQ Corrosion Resistant |
Gas System Length | Carbine |
Gas Block Journal | .625″ |
Twist Rate | 1:7 inches |
Muzzle | 1/2×28 Threaded |
Weight | oz 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.
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.
PRODUCT SKU: BKF-CUR-M16A1-SS-11.5P-556-TRI-6″FH-P&W
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