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

Completing an AR-15 Lower Receiver: Parts Checklist [Infographic]

With the amount of content online that outlines everything you need and need to know about completing your AR15 lower receiver, we thought it was time to get visual!  Our handy “Completing an AR15 Lower Receiver: Parts Checklist” infographic that lays out all the parts required to finish your lower receiver yourself! Now there are no…
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How Long Would It Take a Bullet to Travel [Infographic]

We’ve all wondered about it at one point or another: “How fast would it take this round to reach [insert destination]?”  Well, we at AR-Parts kicked the question around for some time debating it around the lunch table, in the shop or over drinks after work and making our best predictions. Soon enough, we decided…
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