80% Lower Jig

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Our 80% Lower Jig provides the perfect blend of simplicity and technology. Proprietary in its design, our 80% jigs makes it easier than ever to complete your 80% lower. CNC-machined from 6061 aluminum and held to .001 +/- tolerances, our 80% jig guarantees overwhelming performance and precision for the DIY builder.

An 80% jig will streamline the process of finishing your 80% lower receiver while maintaining the desired aesthetics. No matter if you’re building your very first 80% lower or are an expert, this product will provides a positive experience for every skill level. Each jig comes with step-by-step instructions and has clearly marked dimensions machined in the jig. Plus, our 80% lower jigs come with live phone support. For any reason you have questions regarding the finishing of your 80% lower, we’re only a phone call away. Made 100% in the USA. Satisfaction guaranteed. No FFL required.

From the AR Lowers Blog

Completing an AR-15 Lower Receiver: Parts Checklist [Infographic]

With the amount of content online that outlines everything you need and need to know about completing your AR15 lower receiver, we thought it was time to get visual!  Our handy “Completing an AR15 Lower Receiver: Parts Checklist” infographic that lays out all the parts required to finish your lower receiver yourself! Now there are no…
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How Long Would It Take a Bullet to Travel [Infographic]

We’ve all wondered about it at one point or another: “How fast would it take this round to reach [insert destination]?”  Well, we at AR-Parts kicked the question around for some time debating it around the lunch table, in the shop or over drinks after work and making our best predictions. Soon enough, we decided…
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