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BKF M4 MOD-0 12.5″ 1/8 Twist 6.5 Grendel SBA3 Pistol – Anodized


2 in stock


BKF M4 Mod-0 12.5″ 1/8 Twist 6.5 Grendel SBA3 Pistol Features: 

  • Manufacturer: B. King’s Firearms
  • Model: M4 Mod-0
  • Caliber: 6.5 Grendel (Marked Multi)
  • Length: 12.5″


  • BKF M4 Mod-0 Receiver Set W/ 11″ MOD rail
  • BKF AR15 12.5″ 6.5 Grendel Medium Carbine Length 4150 CMV 1/8 Twist Barrel W/ Pinned Gas Block
  • BKF 6.5 Grendel type II BCG MPI
  • AR15 SB Tactical SBA3 Pistol Stabilizing Brace
  • Magpul MOE pistol grip
  • BKF Mil Spec Carbine Buffer Assembly
  • BKF Lower Parts Kit
  • BKF Billet Charging Handle
  • BKF Upper Parts Kit
  • BKF Melonite Gas Tube
  • 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 6 lbs
Dimensions 38 × 10 × 4 in


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