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AR 80 Lowers And Parts

80% Lower Receivers

Shop for a quality AR10 .308 80 percent lower and/or AR 80 lower receiver manufactured by Rebel Machine Fab that are precision machined from billet aluminum blocks, and then completed by the end customer.  An 80% lower is the starting point of your custom AR rifle build, and can be completed with a drill press or router type 80% lower jig.

Our billet lowers can be ordered in 6061-T6 aluminum (or 7075-T6 option when available) in the raw, or finished as bead blasted, black anodized or cerakoted.  Our website features three styles of available receivers including the standard shape, a LightWeight (LW) version plus a skeletonized 80 lower.  There are additional options available so you can order a customized 80 percent lower for your next rifle or pistol build.

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Instructions & Guides

80% Lower Jig Instructions

Updated: 8/23/2020 What follows is the detailed process (one of many available) to finish your AR15 or AR10 80% Lower Receiver into a ready to use part. TAKE YOUR TIME and be sure of each cut (check twice, cut once), and use the Drill Jig more as a “Point Guide” than a Jig and you […]

What You Need To Know About 80 Lowers

AR-15 80 Percent Lowers One of the most popular rifles ever created is the AR-15 which can be customized easily. An 80% lower receiver is one such custom component, and is not legally considered to be a firearm therefore it can be acquired without federal firearms transfer paperwork or licensing. You must acquire the other […]