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80% Lowers, Frames & Build Kits

80% lower receivers, frames, build kits, and parts for AR-15, AR-10, AR-9, and Glock, from a team that knows building.

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Ships within 2–3 business days · Real customer support from actual builders

Fast shippingShips within 2–3 business days
Since 2014Serving builders like you
Thousands of customer reviewsReal feedback from builders
Real people, real support888-568-1771

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Hand-picked products our customers come back for.

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80% Lowers

Start your build here

AR Parts

Uppers, triggers, barrels and more

Handgun Build Kits

Complete kits for Glock, SIG and more

AR Build Kits

Everything for a complete AR build

Handgun Parts

Slides, barrels, triggers and small parts

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AR-15

Lowers, uppers and parts

AR-10 / .308

80% lowers and uppers

AR-9 (9mm)

80% lowers and kits

Glock®

Build kits, slides and parts

SIG P320 / P365

Slides, barrels and parts

1911

Frames, slides and parts

What builders are saying

★★★★★

“Comes with everything you need to get started on your project. Got here fast, too. Will be coming back for sure!”

Kyle S.
on Glock® 17 Compatible Pistol Build Kit – Rear Serrated Slide – FDE Cerakote

★★★★★

“I like it a lot. The ones I received had a very nice finish. Shipping/delivery was 5 days to my door. Excellent service. Thanks !”

Roger M.
on 80% Lower Fire/Safe Marked – Forged

★★★★★

“Unbeatable price and the quality is as good as anybody’s. I ordered 20 and then realized I still had six hanging on the wall. They won’t spoil.”

David H.
on UTG® Quick Install Dust Cover – .223/5.56, Black

A little bit about 80-Lower.com

The Second Amendment Was Built, Not Bought.™ That belief has guided 80-Lower.com since 2014. We help builders find dependable, high-quality components for AR-platform rifles and pistols, including a strong selection of American-made parts. Whether you are working on your first project or refining your next build, our goal is simple: quality products, clear information, and real help from people who understand the platform.

Our story