AR-15 Parts List: Complete Build Checklist and Compatibility Guide Last reviewed: October 2026 • Author: Andrew Maas In this guide: Introduction AR-15 Build Checklist Compatibility at a Glance Build Considerations Lower Receiver Parts Upper Receiver Parts Choosing a Barrel Bolt Carrier Group …

As a middle-aged patriot from Iowa, who's put down roots here running a firearms business, I've come to hold certain truths to be self-evident. Among these is the unshakeable belief in the importance of being able to stand up for oneself, protect your family, and contribute to the safety of your loc …

When it comes to building or upgrading your AR-15, choosing the right stock is crucial. It's not just about aesthetics; it's about comfort, functionality, and overall performance. One option that has gained a strong reputation among firearms enthusiasts is the BATTLELINK Minimalist Milspec Sto …

As most of us know, the most common questions tossed around in the AR community when building custom AR-15s are, “How do I build the lightest AR-15 possible?” or “What’s the best ultra-lightweight AR-15?” or “Where can I find the lightest AR-15 parts?” or some version of this question.  Who …