Jig instructions can be challenging to locate, particularly for less common jigs. Builders often search tirelessly online for resources to help them start their drill and mill projects. In frustration, they might download instructions that seem close to matching their jig, only to find the results disappointing—or worse, end up damaging their lower beyond repair. Why does this happen?
Not all lowers and jigs are universally compatible. While “mil-spec” suggests standardization, variations in design across suppliers mean that not every jig works with every lower. For instance, 80% Arms lowers are compatible with the Easy Jig Gen 3 but not the Elite Builder Jig. Even mil-spec polymer lowers have thicker walls that require a jig specifically designed for polymer materials.
Complicating matters, the ATF now restricts jig providers from including instructions with their products. Builders often purchase jigs expecting detailed guidance but are left searching for instructions that might seem similar but don’t account for critical design differences. Even minor variations in measurements can significantly impact your build.
If you’ve arrived here searching for specific jig instructions, don’t settle for something that’s “close enough”—because it isn’t. Reach out to us! Let us know what you need, and we’ll track down the correct instructions to add to our library.
Precision is critical in AR-15 manufacturing. Having the right tools and the correct instructions ensures your build is accurate and successful. If you have questions or need help, contact us through our Contact Form.