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BKF M4 MOD-0 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
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BKF M4 MOD-0 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF M4 MOD-0 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF AR15 16″ 5.56 Govt Profile Mid Length 4150 CMV 1/7 Twist Barrel W/ Pinned Gas Block
BKF AR15 16″ 5.56 Govt Profile Mid Length 4150 CMV 1/7 Twist Barrel W/ Pinned Gas Block
BKF AR15 16″ 5.56 Govt Profile Mid Length 4150 CMV 1/7 Twist Barrel W/ Pinned Gas Block
BKF AR15 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF AR15 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF AR15 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF AR15 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF AR15 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF AR15 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
BKF AR15 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)

BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)

(32 customer reviews)

Original price was: $432.36.Current price is: $259.42.

Out of stock

SKU: BKF-CUR-M4-12.5-556-11.5-FFSSR Categories: , , , , , ,

Description

This product is 100% Made in the USA! Our gas tubes, gas blocks and even roll pins are all proudly manufactured in the US. All Complete uppers are headspaced prior to shipping and test fired.

Includes:

  • BKF M4 Assembled Upper Receiver w/ T-Marks
  • Parallax Tactical 11.5″ FFSSR Slim Profile M-LOK Handguard
  • BKF AR15 12.5″ 5.56 Govt Profile Carbine Length 4150 CMV 1/7 Twist Nitride Barrel W/ Pinned Gas Block
  • BKF Pinned .750 Low Profile Gas Block and Carbine Length Nitride Gas Tube
  • BKF A2 Flash Hider
  • Product comes assembled
  • No BCG or Charging Handle

BKF M4 Assembled Upper Features:

  • M4 Feedramps
  • 7075-T6 aluminum
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Thermal Fit Upper W/ Oversized Lugs for tight fitment with most receivers
  • Type 3 Hard Coat Anodizing
  • Made in the USA
  • Forward assist and dust cover installed

Parallax Tactical FFSSR 11.5″ Slim M-LOK

  • Super Slim Profile (1.360″) inside diameter
  • Lightweight design (9oz)
  • Free Floated
  • QD Swivel mounting holes at the 3 and 9 oclock positions at front and rear
  • Picatinny rails at the 3, 6 and 9 oclock positions
  • M-LOK Compatible
  • Made in the USA!!!

BKF AR15 12.5″ 5.56 Govt Profile Carbine Length 4150 CMV 1/7 Twist Barrel W/ Pinned Gas Block Features:

This BKF 5.56 chambered 12.5 inch Government Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This barrel includes a QPQ .750 Low-Pro gas block drilled for a 1/8″ pin which is included. This pinning insures that your gas block never comes loose once installed.

Additional Info

Length – 12.5″

Material – 4150 Chrome Moly Vanadium

Profile – Government

Finish – QPQ Corrosion Resistant

Gas System Length – Carbine

Gas Block Journal – .750″

Twist Rate – 1:7 inches

Muzzle – 1/2×28 Threaded

Weight – 22oz

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. 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.

PRODUCT SKU: BKF-M4M0-12.5-556-11.5-FFSSR

Additional information

Weight 3 lbs
Dimensions 28 × 4 × 4 in
Barrel Caliber

5.56x45mm Barrel
Barrel Length

12.5 Inch
Barrel Gas System Length

Carbine Length

32 reviews for BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)

  1. Anonymous (verified owner) –

    It looks good. It feels good. It shoots good. Its good. Buy one.

  2. Sean (verified owner) –

    Outstanding prices. Well organized webstore. Shipping was fast. B. King Firearms is good to go!

  3. JOEL S. (verified owner) –

    I couldn’t be happier with this upper. Looks amazing and fits great on my lower. Blake answered every question I had when trying to decide which upper to go with. Customer service is outstanding!

  4. Nicholas E. (verified owner) –

    Looks great, feels light, and the Parallax Tactical rail sits wonderfully in the hand. I have yet to test fire, but I’m excited.

    Processing was fast, shipping was fast, and I received exactly what I ordered.

  5. timothy harrigan (verified owner) –

    top notch

  6. Scott R. (verified owner) –

    Great quality upper for a great price. Fast shipping.
    Shot couple hundred rounds thru it and very accurate.
    Couldn’t be happier.

  7. INES D. (verified owner) –

  8. Wayne (verified owner) –

    Have 3 B Kings uppers & all function & shoot great. They are accurate if you are. Would highly recommend & will buy more.

  9. usmc_qtip (verified owner) –

    My favorite upper. just buy it. i was hesitant waiting for it. as soon as i massaged it in my hands it felt as though i was cradling a masterpiece. i bought a blankie and pillow for it so it can sleep next to me. my wife can sleep on the floor. Also, im not a doctor but im pretty sure this upper can cure aids AND cancer. Also, here is a short NAM write up i will submit for approval……

    FOR OUTSTANDING PERFORMANCE AS BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5″ FFSSR M-LOK Handguard, Bkings Firearms FROM SEP 2016 TO MAY 2020. YOU PERFORMED YOUR DEMANDING DUTIES IN AN EXEMPLARY AND HIGHLY PROFESSIONAL MANNER. YOUR RELIABILITY, PERSEVERANCE AND TOTAL DEVOTION TO DUTY REFLECTED GREAT CREDIT UPON YOURSELF AND WERE IN KEEPING WITH THE HIGHEST TRADITIONS OF THE UNITED STATES of AMERICA.

  10. Michael T. (verified owner) –

    Top notch products, top notch service, top notch company. Thank you!

  11. Coleman (verified owner) –

    Excellent product , excellent quality , excellent customer service all the while that sickness running around , Excellent price for all that your getting, Can’t be beat , if your considering B King just go for it , you won’t find better anywhere else on the market, don’t believe me … do your research, you’ll see the bottom line, example this product here has a melanite treated gas tube … and they seam to put them in a lot of there uppers , something as small as that does make a pretty significant difference, less friction , less heat , lengthens duty life, like the actual act of firing… yeah your firearm can have components that make it damn near indestructible (You gotta be really determined) already in it when you get it , and if you know a little about metal work, machine work, or these machines that make our guns you know why Blake Is King. Grateful to own such a quality piece.

  12. Charles P. (verified owner) –

    Good quality upper, fair price and quick shipping. Thanks!

  13. mn1911 (verified owner) –

    This thing is awesome! I bought this upper back in January for $275, I was a bit skeptical, but this upper has completely surpassed my expectations. I’m a BCM guy, still love them, but I’ve never tried the 12.5, I bought this to see if it would be worth it to get the BCM. Well, 2K rounds later and a course behind it, I’m not getting the BCM, I’ll probably get another 12.5 or 11.5 from BKF for my wife. Paired with the Surefire Warcomp, and there is almost no recoil. I’ve fired hundreds of thousands of rounds through M-16/AR15s and this thing has been my absolute favorite. Love the FFSSR Handguard with a magpul AFG And Cloud Defensive LCS for the Streamlight. Even for $120 more than I paid at the first of the year, I gladly buy this again, it’s that awesome. I’ll run this thing against my BCMs any day. Just wish I could add a photo. Don’t think about it, just buy it!

  14. Brendan W. (verified owner) –

    I’ve not been able to function test the upper yet. But pleased with visual inspection. Installation and fit of 3rd party parts; sights, fore grip, light mount, has been excellent.

  15. Troy Cuenin (verified owner) –

    Awesome

  16. Anonymous (verified owner) –

    I have purchased about 4 or 5 uppers from BKings. Quality parts, pinned gas blocks, function great, handles and feels amazing in the hands. No issues. Would highly recommend.

  17. Graham (verified owner) –

    Building my first AR. I was having difficulty finding parts, B.K. had everything I needed and the shipping was quick and has extremely reasonable prices. The upper seems to be very high quality. This is my go to place for AR parts. I will definitely be back to but more parts/upgrades. I’m also going to recommend B.K. to friends.

  18. Travis R. (verified owner) –

  19. Cheryl C. (verified owner) –

    Could not be happier! Cheryl is my neighbor I had her get it for me so my wife didn’t know by the way it would have taken too long with the money order LOL. It’s a beautiful upper works just fine. I’m Keith thank you so much!

  20. Devin (verified owner) –

  21. Chris Twaddle (verified owner) –

    Another great upper from BKF

  22. Michael Casertano (verified owner) –

    All of my purchases from BK have been great and this one is no different great quality and fast shipping. Thanks!

  23. Richard Wilson (verified owner) –

    Solid, quality, and looks great

  24. ZACHARIAH A. (verified owner) –

    You guys are by far one of the best company that I purchased AR uppers from. Good pricing and they run very smooth no hiccups.

  25. Ashton (verified owner) –

  26. Phillip (verified owner) –

    Fast shipping and item was just as described and expected. Quality upper.

  27. JACK H. (verified owner) –

    Just as they say it was perfect as usual have more than one B Kings firearms very happy with them all

  28. ROBERT (verified owner) –

    buy it now…tight fit on my Larue lower…..

  29. Jeff (verified owner) –

    As always FAST shipping!
    Nice upper for a suppressor build.

  30. Jeffery B. (verified owner) –

    Great product from a great company.Fastest shipping from an order ever. Received in 3 business days. Amazing

  31. JACK H. (verified owner) –

    Great upper installed on my spike tactical lower tagging the 8in steel at 100yrd with no problem

  32. Timothy Allen Summers (verified owner) –

    Wow, where to start… I’ve been looking for another upper for awhile now..now across this seen the reviews and specs…figured I’d take a chance. Three days! And it was in my hands ,I got a fire forward grips and after I felt how it cradled in my hand..wow .not putting a grip on it..it just feels amazing exactly as it is! The look of it is amazing the finish flat black…but not chalky like some..I put the lighting and off and sight no marks..very strong no glare finish !
    This is my new favorite upper just can’t say enough about it..just feels amazing and love the 4 qd mounting points …if your having any doubts….get it! You’ll be glad you did and have it fast !!!
    I also got the C148 bcg and sledgehammer ambi charging handle with it..wow..I’ll do a separate review on them.. but this is for sure my new favorite site 😁

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