• Right side view of Modulus Arms AR-15 80% forged black anodized lower Receiver. 80 percent ghost receiver.
  • Angled view of the Modulus Arms AR-15  forged 7075-T6 80% lower receiver. Protect your second amendment rights.
  • Left side view of the forged AR-15 lower receiver designed to be completed with the Universal 80% AR-15 Jig

Sale! AR-15 80% Lower Receiver - Forged 7075 - Black

$79.99 $39.99
(You save $40.00)



  • Buy 1 for $39.99
  • Buy 10+ for $34.99

Forged 7075-T6 80% AR-15 Lower Receiver. The receiver is MIL-A-8625 Type III, Class 2 Hard Black Anodized. These lower receivers are forged and finish machined to high tolerance mil-specs. 80% lower receivers are not considered firearms by the ATF, we can ship to your door. No FFL required. Lowers are sold and shipped by Modulus Arms.


* All 80% Lower Receivers sold and shipped by Modulus Arms are certified by the ATF as non-firearms.



Product Reviews

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Previous | Showing reviews 51-100 of 113 | Next

  1. Good quality

    Posted by Randy on 6th Feb 2016

    Wish it had fire/safe markings but other than that was good quality.

  2. Excellent product.

    Posted by Mike on 23rd Jan 2016

    Item was neatly packaged, foam wrapped, and was received in a few days. The quality of machining and the hard coat anodizing is top notch.
    I would definitely recommend this to anyone interested.

  3. AR-15 80% Lower

    Posted by Tryon Cote on 21st Jan 2016

    Exceptional quality and material. Modulus Arms has set a standard with the jig and lowers that is the benchmark to beat. I'm a very happy customer.

  4. Great customer service

    Posted by Tom on 19th Jan 2016

    Came as I expected. Had a ding near the magwell from what looked like banging into the jig. I contacted them and they exchanged it. Great customer service.

  5. Good lower

    Posted by Jared on 18th Jan 2016

    Just finished and plan to take it to the range this weekend. Made it into a 300 blackout. Super excited!

  6. Ok goods, great price

    Posted by Unknown on 11th Jan 2016

    Fast shipping

  7. Good quality and good price

    Posted by Unknown on 10th Jan 2016

    Just what the posting says.

  8. 80% lower

    Posted by Unknown on 10th Jan 2016

    These are very good parts, I have used them before this is why I bought another.

  9. Pleasant surprise leads to absolute satisfaction.

    Posted by Bob Sims on 5th Jan 2016

    I am very happy with the entire experience of purchasing this item from Modulus. The item itself appears to be of top quality. The forging looks flawless with a smooth surface and no apparent imperfections. I am eager to begin the machining process and create a useful and lasting tool from this item.

  10. looks good !!!

    Posted by mark meluzoff on 20th Dec 2015

    looks good !!!

  11. As described

    Posted by Christophe Wetzel on 15th Dec 2015

    Was exactly as stated and came when it was supposed to.

  12. Ar-15 Lower

    Posted by Unknown on 15th Dec 2015

    As expected

  13. Excellent Quality Receiver

    Posted by Unknown on 25th Nov 2015

    I am very happy with my receiver, this will be my first build project and I am looking forward to the results. Finish is excellent and shipment was super fast.

  14. 80% Lower

    Posted by Unknown on 18th Nov 2015

    Came quickly, exactly as described

  15. Almost 5 star

    Posted by Unknown on 2nd Nov 2015

    The only thing I don't like is the lack of "safe" on the receiver.

  16. great shipping time

    Posted by Unknown on 24th Oct 2015

    Great shipping time and items look great to. I will be places more orders in the near future.

  17. 80% Lower

    Posted by Unknown on 21st Oct 2015

    Online help desk was quick, honest and helpful. Order processing was rock solid!! Packaged appropriately and shipped same day! Product received (in two days, west coast) was as advertised. Have not begun to mill the lower, but no signs of anything less than exceptional.

  18. Quality

    Posted by Robert Green on 19th Oct 2015

    Exlentant quality love the finish same for the mill bit
    Haven't had a chance to mill it yet but sure it will be
    fine. Will buy again

  19. It works

    Posted by Unknown on 13th Oct 2015

    Using a drill press and router, milling was easy.

  20. Cerro Forge 80% Lower

    Posted by Unknown on 7th Oct 2015

    Fantastic price. Well machined Cerro lower.

  21. 80% forged lower review

    Posted by Kyle on 5th Oct 2015

    Love the product. Like the price. Looks exactly like what I wanted.

  22. 80% lower

    Posted by Eddie Martin on 26th Sep 2015

    Fantastic-- where to start? Great value ,excelent finish on forging-- threads are perfect-- Just amazing

  23. forged lower

    Posted by Call 911 on 9th Sep 2015

    I liked the billet they had before better but this one is fine for your standard forged 80%

  24. nice 80%

    Posted by tom on 6th Sep 2015

    I haven't milled it yet but coating looks great compared it to my other receivers and it Is as good if not better than the others and those cost more and still have to put a finish on them

  25. 80% Lower Receiver

    Posted by Unknown on 5th Sep 2015

    Great lower at a great price(49.99). I only wish it had safe/semi engraved by the selector switch..

  26. Nice 80% lower

    Posted by Tinman on 2nd Sep 2015

    Typical forged lower receiver. Anodizing is VERY nice. I would certainly order this again.
    Be advised: Even mil-spec receivers may not be compatible with those from other companies.
    Stick with jigs from the same company you plan on getting the upper from.
    From Modulus Arms, I'd recommend just staying with their jigs and uppers to play it safe.

  27. Finish

    Posted by Eddie Martin on 2nd Sep 2015

    This piece of equipment is finished as good or better than any lower I have ever seen finished or kit form-I was not expecting this in any form or fashion-- I would recommend this to my best friend and she is a picky eater

  28. forged lower

    Posted by Harold on 30th Aug 2015

    came in super fast. I had it the afternoon the day after I ordered. Was like christmas.

  29. Two Attempts

    Posted by Unknown on 25th Aug 2015

    I have finished Two of these Lowers thus far. The first one I completed I had a few issues with Trigger pins and the rear takedown pin. I ordered the second one and really took my time with it. It came out flawless. Put a Spikes Tactical billet upper on it and it fit beautifully. I have just received my 3rd and about to start another project. Great Product!!!

  30. good for the price

    Posted by aaron on 23rd Aug 2015

    Like everyone else was saying it is your standard forged lower. Anodizing was better than the other ones I have that I paid more for.

  31. good quality product

    Posted by Unknown on 22nd Aug 2015

    the quality better than other that cost lot more. I recommend is a good buy

  32. 80 percent lower

    Posted by Tony M on 15th Aug 2015

    Received it fast and product looks great

  33. Very Good

    Posted by Unknown on 5th Aug 2015

    It's an outstanding lower ,buy with confidence

  34. this is way to go

    Posted by Unknown on 29th Jul 2015

    great product. 2nd 80% with Mod Arms jig, all hand tools and finish is great. Rear pocket started for you helps a lot.

  35. Best lowers out there

    Posted by Michael Peppers on 26th Jul 2015

    This was my second lower. I purchased a drill press after the first one. It went so much faster, I would recommend this to anyone who plans to do more than one. Took my time and it turned out great. Thanks

  36. 80% Lower

    Posted by Unknown on 12th Jul 2015

    I just received my lower and fit and finish are excellent. It will be a while as I am on a fixed income but I will write another review when I am finished

  37. lowers

    Posted by Jim on 5th Jul 2015

    They arrived on time, I looked at one and it appears OK as it sits. I have not removed any others from the packaging. I need to set up a group machining The appear to be of OK quality.

  38. lower receiver for A.R.

    Posted by john a on 5th Jul 2015

    The good-looking receiver It came well packaged looks first-class can't wait to machine it out thank you

  39. Build the gun you can be proud of. Great lower.

    Posted by Nicholas Cousins on 5th Jul 2015

    Without a doubt the best priced, highest quality 80 % LOWER receiver out there. Start your own pride and joy build here.

  40. Well built

    Posted by Lawman on 1st Jul 2015

    Love it!

  41. Seriously?!

    Posted by El Terriblé SoCal on 1st Jul 2015

    Bought these lowers during the Father's Day sale. The shipping and delivery was fast. Once I received the package and opened it up, I found EVERYTHING thoroughly wrapped. After cutting the foam wrapping off of a lower and pulling it out of its bag, I saw the quality in these lowers. The fit and finish is nothing short of amazing. I put it next to an ST lower I have and you can't tell the difference. From the bead blasting to the ano, it's perfect!

    Thanks Modulus Arms for making top shelf 80s at a more than reasonable price. CHEERS and Happy 4th of July!

  42. good product

    Posted by Geoff on 9th Jun 2015

    Everything was good quality. Great price.

  43. awsome lower!

    Posted by Dustin Reierson on 1st Jun 2015

    Fit and finish is great! I like the plain no lettering look. thanks!

  44. Insert good review here

    Posted by Xin on 1st Jun 2015

    About what you would expect. Pretty happy with it. Wish it was cheaper.

  45. AR-15 80% Lower Receiver - Forged 7075 - Black

    Posted by Chris on 26th Apr 2015

    I purchased a 80% Lower and it was exactly what I expected out of the product. Great machine work and perfect cuts. Everything matched up with the upper, stock, and magazine out the box before milling. One thing I would recommend is adding the Safe and Fire stamping to the lower. Great product!!!

  46. The best answer

    Posted by Charles Brant on 8th Apr 2015

    I have access to CNC machining ,so I had options to start from scratch (0% forging). In the final analysis, the Modulus Arms 80% anodized lower was the best answer. I ordered one and checked all the tolerances and finish. I'm very pleased. Programming the final machining steps is easy and I'll have a quality lower. When I say 'I', I really mean 'we' as I have several friends who also will be ordering one of these.

  47. high quality

    Posted by Coty on 31st Mar 2015

    I will give this a 95/100 on milling quality. A couple imprecise cuts on the grip base. maybe give a hand sand to the front tatakedown pin area before anodizing. Little metal was left in the buffer tube threads. Otherwise this is one well crafted and solid lower. And the price was excellent. Kudos modulus, I will be buying more!

  48. Best AR15 lower for price and quality.

    Posted by Chuck on 23rd Mar 2015

    Second lower I have bought from Modulusarms.
    Very high quality 7075-T6 lower. Fast shipping,
    These guys know what they doing. If I buy another
    lower it will be from them.

  49. 80% receiver

    Posted by Darron on 19th Mar 2015

    Excellent product. Highly Recommended.

  50. Great Deal

    Posted by Robert Brown on 16th Mar 2015

    The perfect part, and easy to get machined/completed. Can't wait to start the build

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