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BKF AR15 6″ 300 BLK DRP Profile Pistol Length 4150 CMV 1/7 Twist Barrel

(7 customer reviews)

Original price was: $155.60.Current price is: $120.59.

Available on backorder



This .300 Blackout chambered 6 inch Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.

All NFA/ATF Rules Apply
You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when permanently attaching a muzzle device extending the length to 16 inches.

Additional Info

Length 6″
Material 4150 Chrome Moly Vanadium
Profile DRP (Distinct Rigid Profile)
Finish QPQ Corrosion Resistant
Gas System Length Pistol
Gas Block Journal .750″
Twist Rate 1:7 inches
Muzzle 5/8×24 Threaded
Weight 13.5oz

B. Kings Firearms barrels are manufactured by a Top Tier Barrel Manufacturer to our specifications. B. Kings Firearms 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 1 lbs
Dimensions 12 × 2 × 2 in

7 reviews for BKF AR15 6″ 300 BLK DRP Profile Pistol Length 4150 CMV 1/7 Twist Barrel

  1. Willie (verified owner)

  2. Randall Bryant (verified owner)

  3. Terry Vance (verified owner)

  4. MARK (verified owner)

  5. Joshua W. (verified owner)

    BKF got my Ballistic Advantage 6″ 300blk barrel to me faster than a 145 grn super. Now I’m shooting supers and subs on my new build. Thanks B. King!

  6. Randal S. (verified owner)

  7. Stephen L. (verified owner)

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