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BKF M4 MOD-1 M4 16″ Pencil 1/7 Twist 5.56 Nato Rifle


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BKF M4 MOD-1 AR15 16″ 1/7 Twist 5.56 Nato Rifle – Anodized Features: 

  • Manufacturer: B. King’s Firearms
  • Model: M4 MOD-1
  • Caliber: 5.56 Nato (Marked Multi)
  • Length: 16
  • Gas System: Mid
  • Weight: 5lb 15oz


  • BKF AR15 M4 MOD-1 15″ M-LOK Builder Set
  • BKF AR15 16″ 5.56 Nato Pencil Mid Length 4150 CMV 1/7 Twist Barrel W/ .625 Gas Block
  • BKF Full Auto BCG HPT/MPI Carp 185 Bolt and billet extractor
  • BKF Anti-Tilt 8 position H1 Carbine Buffer Assembly
  • Magpul SL carbine stock
  • Magpul Moe pistol grip
  • BKF Enhanced Lower Parts Kit W/ Combat Control Kit (45/60 ambi safety, oversized bolt catch and extended textured mag release)
  • Radian Ambi Charging Handle
  • BKF Upper Parts Kit
  • BKF Melonite Gas Tube
  • BKF Nitride .625 Gas BLock

B. Kings Firearms barrels are manufactured by a Top Tier Barrel Manufacturer to our specifications. Our 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.

Additional information

Weight 10 lbs
Dimensions 38 × 10 × 6 in


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