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17 Design Billet AR-15 Stripped Lower Receiver - Engraved American Flag

Manufactured by 17 Design & Mfg.
SKU: 17-17D-00-NFDLAR15-1-AMFLAG
MPN: 17-17D-00-NFDLAR15-1-AMFLAG
Manufactured by 17 Design & Mfg.
9 Reviews
No Longer Available

Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.



Start your next AR-15 build with this Mil-spec black anodized billet AR-15 aluminum receiver! This stripped lower is made in Oklahoma City, OK by 17 Design and Manufacturing, a company that equips military and law enforcement with small and medium machining capabilities as a contract manufacturing and engineering focused shop. Now they are selling lower receivers to the public.

  • American flag magwell engraving
  • Mil-Spec dimensions
  • Machined from a billet of 7075-T6 aluminum
  • Stripped
  • Integrated trigger guard
  • Black hardcoat anodized
  • Threaded bolt catch roll pin

Save money by building your own rifle from parts. Learn about how the firearm functions by assembling it yourself. Hand pick each component to suit your precise needs. 

Accuracy in machining is crucial to ensure your receiver will be compatible with parts from other manufacturers. 17 Design and Manufacturing has razor thin tolerance levels and personally oversees the development, design and machining of every part that comes off the line. They're not like every other manufacturer. 

Whether you're stocking up for a rainy day or looking to get started on your next build, grab one of these billet stripped lowers while supplies last!
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Brand17 Design & Mfg.
Caliber MarkingMulti-Caliber
FinishHardcoat Anodized
Receiver Material7075-T6 Aluminum
Trigger Pin DiameterMIL-SPEC .154

Ratings & Reviews

9 reviews

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Really really really nice lower!!!


Got this lower from my ffl yesterday its finished today paired it with a billet gen 2 bear creek 10.5" powder coated upper flawless fit no shake or wobble any where lower came machined for a threaded bolt catch pin and also has the screw in lower that takes up play between upper and lower receiver this lower was so nice that the minute I set eyes on it I placed order for another great item love it.

This has to be one of the best out there

by -

This upper surpassed my expectations. The engraved American flag is also very well done. Buy it and you would be glad you did. God bless our USA!

Nice Lower!

by -

I ordered two of these, for the price why not. The first one I put together had some issues, the rear takedown pin holes were out of specs. No matter what the pin wouldn’t go through without forcing it. I tried swapping pins, uppers, etc., nothing worked. I tried the second lower, and no issues at all. The serial numbers were only one off, therefore they should have been produced at the same time. I contacted 17 Design, great customer service, and sent me a return label. Time will tell once I get the replacement.

Beautiful billet receiver!

by -

This thing is perfect. The design, the quality, the features, and especially the flag. Everything was perfectly in spec, and easily assembled with Geissele lower parts and PWS buffer tube kit.
<br>I would 100% recommend this lower receiver and will buy one again for myself.

Good to go

by -

First time using the 17 Design in a 6.8 SPC build. So far all components to build fit without issues. Functionality on par. For the price I'd say that the quality is much better than higher priced receivers.

Get one you'll be glad you did for the price YOU CANT GO WRONG

by -

The lower is well made everything fit just like it should ,the threaded bolt stop is great all in all a fine unit from the 405..but i think the flag is facing the wrong way.

Pretty good

by -

I like it, mags are a little tight tho. Pin for the colt catch actually comes with the lower and screws in, so one less thing to worry with. Would give 5 stars but mags are fairly tight.


by -

Excellent value, I am very pleased with the 17 Design Billet lower.

Nice Billet Receiver


I ordered a blem version of this lower to build a rifle for my wife, and couldn’t find any flaws. It is very well machined, and the flag is a really nice touch. All of the lower parts installed perfectly, and the fit to the upper was really nice and tight with zero play. These lowers are super good quality, and on par with the much higher end brands, but really affordable. My wife is super happy with her first AR and is ringing steel @300 yards like a pro… I highly recommend this to everyone.