80% Lower Receiver

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Through lean manufacturing and proprietary research & development, AR-15 Lower Receivers is able to offer the DIY AR builder an 80% lower with superior performance in an affordable package. For the AR builder who desires to mill out his or her own lower receiver, our 80% lowers provide a multitude of options.

Each AR-15 80% lower receiver is cast from a380 aluminum and is comparable in strength to the popular 6061 aluminum receivers. Each 80% lower offers a flared magazine well, strengthened rear buffer tower and a beautiful Cerakote finish. Custom color options are also available. 80% lowers can be purchased in bulk. Made in the USA. No FFL Required.

From the AR Lowers Blog

Why Is It Legal To Build Your Own AR15?

If you’re new to the scene of DIY AR-15 building, you might be asking how it can be legal to build your own AR-15? The answer is relatively simple, so we’ll do our best to explain. All questions revolving around the legality of building an AR-15 begin at a federal law enforcement level. It is…
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AR Lowers: Cast Aluminum vs Billet Aluminum vs Forged Aluminum

Combining adequate density and a unique ability to resist corrosion, aluminum has become a well used alloy within a multitude of industries. Made popular by the aerospace sector, aluminum has become a vital component within most types of manufacturing. Various types of aluminum are also used in the manufacturing of AR-15 uppers and lower receivers….
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