*Due to high demand, this 80% lower jig tooling ships within 1 to 2 weeks.
The quality of your 80% lower’s finished results is only as good as the drill bits and end mill bits you use to cut and drill it. You need precise, rugged bits like this Elite Builder 80% Jig Tool Kit. Designed as a replacement set for the Elite Builder Jig, these bits can also be used with any other 80% jig designed for the AR-15/AR-9 and LR-308 lower receivers.
HSS Bits Provide the Best Results
We stick to HSS (high-speed steel) bits for the jigs and 80% lowers se well because they’re specifically designed for tackling tough billet and forged aluminum. A spread of short- and medium-length end mill bits coupled with razor-sharp flutes make cutting the fire control cavity quick and easy.
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80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.