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BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver
BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 2
BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 3
BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 4
BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 5
BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 6
  1. BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver
  2. BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 2
  3. BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 3
  4. BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 4
  5. BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 5
  6. BKF XM4 Carbine 14.5" 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver - Image 6

BKF XM4 Carbine 14.5″ 5.56 Nato 1/7 Twist Chrome Lined Phos Complete Upper Receiver

Original price was: $551.21.

or 4 payments of $110.24 with
ⓘ
Current price is: $440.97.

Out of stock

SKU: BKF-CUR-XM4-14.5CLP-5.56-EXA2FH-P&W Categories: , , , , , , , ,

Description

New for 2024 is our XM4 Carbine Upper Receiver that is part of our new Retro Series. (In 1984, the U.S. government asked Colt to develop a carbine with maximum commonality with the issue M16A2. Colt named the carbine as the XM4. The project would eventually culminate in the development and official adoption of the M4 carbine in 1994.) This upper receiver has the Rock River Arms Side Sling Swivel Mount Assembly and not the bottom swing swivel style.

Includes:

  • BKF M16A2 Assembled Upper Receiver
  • BKF AR15 14.5 5.56 Carbine Chrome Lined Phosphate 4150 Barrel – 1-7 Twist
  • BKF Carbine Length Gas Tube
  • A2 Forward Assist
  • A2 Rear Sight Assembly
  • Carbine Length Round 2pc Handguard
  • Extended A2 Flash Hider
  • Rock River Arms Side Sling Swivel Mount Assembly
  • Product comes assembled
  • No BCG or Charging Handle

A2 Upper Features:

  • M4 Feedramps
  • 7075-T6 aluminum
  • .250 takedown pin holes
  • Black Anodized
  • Made in the USA

BKF AR15 14.5″ 5.56 M4 Carbine Length 4150 CMV 1/7 Twist FSB Chrome Lined Phosphate 4150 Barrel (NON F-Marked For A2) Features:

Our 5.56 chambered 14.5 inch M4 Carbine Length Classic Series 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 (NON F-Marked) For A2 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 14.5″
Material 4150 Chrome Moly Vanadium
Profile M4
Finish Phosphate
Gas System Length Carbine
Gas Block Journal .750″
Twist Rate 1:7 inches
Muzzle 1/2×28 Threaded
Weight 32oz 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-XM4-14.5CLP-5.56-EX/A2FH-P&W

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