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AR Receivers And Parts

80% Lowers & Jigs

Get a quality AR-15 80 percent lower and/or 308 AR10 80 lower receiver manufactured by Rebel Machine Fab that are precision machined from billet aluminum blocks and then be completed by the end customer.  An 80% lower is the starting point of your custom rifle build, and can be finished with a drill press or router type jig.

Billet lower receivers can be ordered in 6061-T6 aluminum (7075-T6 option when avail) in the raw or finished as bead blasted, black anodized or cerakoted.  There are three styles of lower receivers available including the standard shape, a LightWeight (LW) version plus a skeletonized lower.  There are some additional options available so you can order a customized 80% 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% Lower Receivers One of the most popular rifles ever created is the AR-15. Consisting of the upper part and the Lower Receiver, the AR provides a great deal of flexibility in creating your own unique, custom AR Rifle. The 80% Lower Receiver for the Rifle is not considered to be an actual firearm, […]