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80% Lower Jigs

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At 80 Lowers, we build precision quality 80% Lower Receiver Jigs that are CNC machined from billet aluminum. An 80% Lower Jig is used by the builder to complete an 80% Lower Receiver, which is the starting point for a custom rifle build.

Our original design 80% Lower Jigs are still small and compact 4-piece fixtures including a multi-hole top Drill Plate that allows most of the material removal to happen with down-force drilling action so it can be completed on a standard Drill Press with a decent vise. Our 80% Lower Receivers also have the rear pocket already machined for you, and our 80% Lower Jigs reflects this condition as well.

Benefits of Our 80% Lower Jigs:

Multi-Hole Top Drill Plate
– Which Means, Maximum Material Removal when Drilling
– Upper Rear Pocket Already Completed
– CNC machined from 6061-T6 Billet Aluminum
– Simple 4- or 5- Piece Fixture Design
Made by Us Right Here in the USA