Now that you have made the wise decision to purchase the AR-15 80% Lower Universal Jig Kit, you will need to finish the machining procedure. This high-quality 80% lower jig kit makes that part of your rifle build project easy. All you need is a drill press or a mill.

This 80% lower jig kit can be used on both forged and billet AR-15 80% lower receivers using the new indexing technique, which utilizes the buffer tube mount to center the receiver (not the sides).

• Can be used on both forged and billet AR-15 80% lower receivers
• New indexing technique uses the buffer tube mount to center the receiver (not the sides)
• CNC-machined from solid aerospace T6 heat-treated 6061 billet aluminum
• Laser-etched with Right/Left markings and drill hole sizes for convenience
• Individually replaceable plates
• Type III hard coat anodized
• Optional high-quality tooling package includes all bits required to finish your JT-15 lower. These are the same bits we use in our commercial CNC machines at the Juggernaut Tactical factory
• If instructions are properly followed, the jig kit can be used to finish up to 25 lowers, or more
• Made in the USA
• Note: Our jigs are not compatible with billet lowers from 80% Arms or 5D Tactical, as they are not mil-spec on the outer dimensions.