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BKF M4 MOD-1 M4 18″ 1/8 Twist .223 Wylde 416R SPR Rifle – Anodized


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BKF M4 MOD-1 AR15 18″ 1/8 Twist .223 Wylde 416R SPR Rifle – Anodized Features: 

  • Manufacturer: B. King’s Firearms
  • Model: M4 MOD-1
  • Caliber: .223 Wylde (Marked Multi)
  • Length: 18″
  • Gas System: Rifle


  • BKF AR15 M4 MOD-1 15″ M-LOK Builder Set
  • BKF AR15 18″ .223 Wylde Rifle Length 416R 1/8 Twist SPR Nitrided Barrel
  • BKF Full Auto BCG HPT/MPI Carp 185 Bolt and billet extractor
  • BKF Sopmod Carbine Length Stock
  • Magpul Moe pistol grip
  • BKF Anti-Tilt 8 position Carbine Buffer Assembly
  • 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 .750 Gas BLock
  • BKF A2 Flash Hider

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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