BKF M4 MOD-1 M4 8″ 1/7 Twist 300 Blackout SBA3 Pistol – Midnight Bronze


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BKF M4 MOD-1 AR15 8″ 1/7 Twist 300 Blackout SBA3 Pistol – Midnight Bronze Features: 

  • Manufacturer: B. King’s Firearms
  • Model: M4 MOD-1
  • Caliber: 300 Blackout (Marked Multi)
  • Length: 8″
  • Gas System: Pistol
  • Weight: 5lb 3oz


  • BKF AR15 M4 MOD-1 7″ M-LOK Builder Set
  • BKF AR15 8″ 300 Blackout 4150 CMV 1/7 Twist Barrel W/ Pinned Gas Block
  • BKF Full Auto BCG HPT/MPI Carp 185 Bolt and billet extractor
  • SB Tactical SBA3 pistol brace
  • BKF Anti-Tilt 8 position Carbine Buffer Assembly
  • 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 .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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