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BKF M4 MOD-0 18″ 1/7 Twist 5.56 Nato PRS Rifle

Original price was: $1,471.82.Current price is: $1,214.25.

2 in stock



New for 2020 is our BKF m4 mod-0 buffer tube assembly’s that is part of our new premium series. The premium series will offer a vast number of bkf components that have been made with the ar builder in mind. Not only does the premium series offer extremely high quality products, but it also offers very competitive pricing. They are available in standard, intermediate or extra power configurations.  These are manufactured for heavy duty use in mind. This buffer tube assembly is the perfect starting place for any high quality build.

This Standard Power (5.2oz) with Sprinco Green Combo is standard in all of our 5.56 Nato, .223 Wylde and 6.5 Grendel Rifle Length 18″ and 20″ weapon systems. 


  • Manufacturer: B. King’s Firearms
  • Model: M4- Mod-0
  • Caliber: 5.56 Nato (Marked Multi)
  • Length: 18″


  • BKF AR15 M4 MOD-0 15.25″ FFSSR Builder Set
  • BKF AR15 18″ 5.56 Nato SPR Rifle Length 4150 1/7 Twist Barrel
  • BKF M16 BCG C158 MPI/HPT Billet Extractor
  • BKF M4 MOD-0 Standard Power Rifle Buffer Tube Assembly (5.4 oz Buffer + Sprinco Green)
  • BKF AR15 Enhanced M4 MOD-0 Combat Control 4.5lb Two Stage Lower Parts Kit (LPK) (Nitride components, BKF AR15 TF Two Stage Phosphate Complete Fire Control Group, Billet trigger guard, Combat Control Kit and moe grip)
  • Magpul PRS Adjustable rifle Stock
  • Magpul MOE grip
  • Breek Sledgehammer Charging Handle 556 Black
  • BKF Upper Parts Kit
  • BKF Melonite Gas Tube
  • BKF MK2 Comp 1/2×28

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.

PRODUCT SKU: BKF-M4M0-18-556-15.25-PRS

Additional information

Weight 8 lbs
Dimensions 38 × 10 × 4 in


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