7.5″ 5.56/.223 Premium AR-15 Pistol Build Kit

(21 customer reviews)


Shooting steel case ammunition through our products voids ALL warranties!!!

SKU KIT-15-223-07-002 Categories ,


Disclosure: Handguards will be either keymod or mlok depending on availability. This build kit will come with everything EXCEPT the stripped lower receiver to build a 7.5″ AR-15.

This kit includes:

  • 7.5″ Chromoly Vanadium 5.56/.223 Barrel (twist may vary)
  • 7″ Free-Float Handguard (depending on availability)
  • A2 Flash Hider
  • Pistol Buffer Kit
  • Full Auto Nitride BCG
  • Either Stripped or Upgraded Billet Upper Receiver (depending on availability) 
  • Forward Assist (where applicable)
  • Dust Cover
  • Steel Gas Block
  • Stainless Gas Tube
  • Standard Charging Handle
  • Complete Lower Parts Kit

All Build Kits Come Unassembled.

KIT notice as of March 1st 2020:

All build kits are subject to change slightly in this time of EXTREME demand. We are not currently able to fill specific spec requests. The kit parts will fall into the general specs above but items such as stocks, handguards, and muzzle devices are changing daily.

Shooting steel case ammunition through our products voids ALL warranties!!!

Additional information

Weight 4 lbs

21 reviews for 7.5″ 5.56/.223 Premium AR-15 Pistol Build Kit

  1. Isaac Lofstead

    Great price, okay quality. Can’t find a cheaper way to build an ar anywhere. But comes at the cost of quality.

  2. Ramiro Ferrer

    Great kit, holds up well

  3. Jeffrey Hagen

    Bang for buck this is a great kit for a 7.5″ kit. Fitment is good, no loose or clankiness at all. I did not use the lpk as i had already built a lower with a 3lb trigger before buying this kit. The upper came unassembled and very well packaged! From ordering to recieving it was 4 days!

  4. Juanito Alegria

    Yo!! Amazing quality especially for the price it’s a steal. Everything fits like a glove! I ordered two kits one of these and a 10in barrel. Everything got to me in 8 days within ordering. That’s crazy considering public circumstances and the demand for guns, bullets and parts etc. I’m definitely about to order more. What cool is I got a cool sticker a drink cooler and two bottles of hand sanitizer for free!! Keep it up I recommend, no issues what so ever. We’ll see how it holds up with time and more shooting

  5. Michael Beaver

    Great product can’t beat it
    Thanks guys I will continue to support you

  6. Joe dirt.

    Get you some of this bro’s

  7. Jared C.

    This build kit went together exceptionally well, very high quality parts, and very quick shipping. Amazing customer service as well, could not recommend more highly.

  8. Adam

    Awesome kit, even better price.
    I was surprised by the fast shipping speed.
    The dust cover didn’t want to stay closed, but a dremel behind that part of the upper fixed that and the repair isn’t visible.
    Also I had a payment issue, and the owner was extremely responsive, and solved it right away.

  9. Jon

    Excellent kit! Bought it and got it Much quicker than I thought it would. I got it all together no missing pieces!

  10. buzinessaddict

    Great Kit!! No missing parts. No defects or cosmetic issues either.

  11. Joe

    I ordered this kit on a Thursday night and it arrived on the other side of the country on Monday. You wont find a company that ships faster. Everything was packaged well and went together easily. I have shot about 90rds through this build with no failures and was surprised at how accurate it is. My only issue has come from the gas key not being staked enough and loosening up, but that took me all of 30 seconds to fix. this is my second Durkin build and it is every bit as good as kits I have assembled from higher priced retailers.

  12. Mark Pingleton

    I purchased a 9mm upper kit from Durkin in Phoenix almost two years ago, it performed flawlessly. I just got the 7.5” 5.56 build kit based on that initial purchase. It’s well worth it to get the expedited shipping,. Everything went together good, fit and finish is 1st class, and you can’t beat the price vs quality anywhere! Can’t wait to get it out to the desert to sight it in! Anyone have a line on pre-plandemic priced ammo? Hahaha!!

  13. al


  14. Justin Jermaine Gude

    Perfect nice haven’t went to range yet

  15. Ced

    Will be buying Wednesday Thanks you guys for the reviews honestly

  16. Robert Collinge

    This is my second kit. Bought the 10.5 kit, and when I got it together, wished I had bought the 7.5 instead, so, I ordered the 7.5 kit. Both went together very smoothly, with only minor problems. The 7.5 kit didn’t have the clip to lock the pin on the gate. The good news, in the 10.5 kit, they had given me 3 clips, and I had the sense to squirrel them away for future use. Problem solved. I had seen on the feedback of a different kit kit, that the customer had a problem with the latch on the gate not allowing it to close. Had the same issue with the 7.5 kit. A little careful grinding, and the problem was solved. I have been pleasantly surprised with the kits, and the issues were minimal. Anyone intelligent enough to assemble these parts should be able to troubleshoot any little issues that come up. I was impressed with the speed with which things were shipped. The website said to expect one to two weeks, but I think that’s just to cover themselves in the event of a problem. Overall, I would buy from Durkin in a minute, I suspect I will be doing business with them again in the future.

  17. Richard Tanner

    Great shooting little kit Easily assembled Went together really well shoot great swapped out baffle tube for brace excellent gun good quality affordability was awesome I already ordered my second maybe even a third

  18. Darrin Rougeau

    I haven’t made an order just yet but I’m planning on it

  19. zharia

    i order but i am missing a couple parts hopefully the ship the rest but overall good company the reply quick but lets see if they ship the rest of my items

  20. Joe

    Received the kit quickly and it went together perfectly. My problem from the first shot is upon ejection the shell stove pipes.
    Anyone else experienced this problem and how do I fix it?

  21. Greg Wilson

    Just put together my 2nd kit from Durkin. I’m very pleased with the quality and parts with their kits! Bout to order 2 more!

Add a review

Your email address will not be published. Required fields are marked *