Frequent Questions

Q: Is building an AR-15 legal?

A: Under federal law, yes. The AR-15 is legal to own and per the ATF, one can assemble one from scratch for personal use without a license. Some states have banned certain rifles, pistols, and firearm parts.

Q: What types of calibers can I build?

A: The AR-15 platform is 5.56 NATO, .223 Remington, 9mm, 300 Blackout, 6.5 Grendel, .50 Beowulf, and other calibers. The AR-10/LR-308 platform can chamber .308 Winchester, 7.62x51 NATO, 6.5 Creedmoor, and other .30-caliber loads.

Q: I want to build. How do I get started?

A: It's best to understand the optimal setup for your AR-15, based on caliber and configuration before you get started. It's always nice to have an experienced builder to help you for your first build.

Q: Are 80% lowers available for all builds?

A: Yes. Available for AR-15 and AR-10.

Q: What tools do I need to build?

A: You'll need a roll pin punch set for the lower parts. You will also need an Ardmore's wrench to install your buffer tube. The wrench and a vise are required if you're installing the barrel on the upper receiver.