Description
Introducing the dedicated 9mm 80% Lower Receiver
This 80% 9mm lower receiver is fabricated to use Glock® (G17 and G19) 9mm magazines out of the box. No 9mm conversion blocks or custom components necessary!
CNC’d from 6061-T6 billet aluminum, this receiver blank features enlarged mag well ramps for quick and easy reloads. We’ve left this lower raw — unfinished, with no coating, so you can apply your own, custom finish.
AR-9 80% Lower Specifcations
- Compatibility: 9mm Parabellum
- Construction: Billet 6061-T6 Aluminum
- Finish: Raw
- Color: Matte Black
- Fitment: 100% Mil-Spec
- Fire/Safe Engraving: Yes
- Features: Integrated trigger guard, Flared magwell, GLOCK® magazine compatibility
- 100% Made in The USA
Assembling Your 80% Lower
Once your lower is fabricated, it’s time to assemble it. You’ll need the following components:
*Although made to chamber 9mm, this lower still uses a standard AR-15 (5.56/.223) lower parts kit and standard AR-15 buffer tube. 9mm ARs require a heavier buffer to reduce felt recoil.
Need Help Building? Read Our Guides
Follow our step-by-step picture guide to install your lower parts kit and buffer.
Not sure which parts to pick? Read our Ultimate Guide on How to Build an AR-15.
New to building custom guns? Read our FAQ: What Is An 80% Lower?
DISCLAIMER: “GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither Gun Builders Depot, a/k/a GunBuilders.com nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
- Caliber:
- 9mm
- Finish:
- Raw
- Platform:
- AR9
- Caliber:
- 9mm
- Finish:
- Raw
- Platform:
- AR9
Frequently Asked Questions
- How fast is shipping?
- Orders ship within 3 business days to your selected Michigan FFL dealer with full tracking info.
- Where can I pick up my firearm?
- Pickups are at licensed FFL dealers in Michigan. Use terms like “gun shop near me in Michigan” or “FFL dealer in Michigan” to locate one.
- Do I need a permit or license?
- For handguns, residents must obtain a License to Purchase (unless they already hold a CPL). Long guns from FFL dealers require no additional permits—per Michigan law.
- Can I carry this concealed or openly?
- Michigan is a “shall-issue” state for concealed carry at age 21+. Open carry is allowed without a permit, except in vehicles or specified locations :contentReference[oaicite:20]{index=20}.
- Is this AR9 80% Lower Fire/Safe Marked - 9mm - Billet Raw right for me?
- Our AR9 80% Lower Fire/Safe Marked - 9mm - Billet Raw is ideal if you’re shopping for: AR9 80% Lower Fire/Safe Marked - 9mm - Billet Raw, 80 Lower. Great options for both beginners and experienced owners.
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Frequently Asked Questions
- How fast will my order ship?
- We ship all orders within 1-3 business days to your licensed Michigan FFL dealer. Tracking info will be emailed.
- What is your return policy?
- Non-firearm items can be returned within 14 days unused. Firearms sales are final after FFL transfer. See full return policy.
- Is the AR9 80% Lower Fire/Safe Marked - 9mm - Billet Raw suitable for me?
- Our AR9 80% Lower Fire/Safe Marked - 9mm - Billet Raw is popular among Michigan customers for personal defense and sport shooting.