If you're new to purchasing firearms or lower receivers online, the process might seem a bit overwhelming. At Aerospace Arms, we're here to make it as simple and straightforward as possible. Below, we've outlined a step-by-step guide to help you successfully order your firearm or lower receiver a …

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 …

Lets start with some history Back in the 1990s, FailZero's parent company UCT Coatings (Universal Coating Technologies) developed a new patented Nickel Boron formulation that produced the highest boron content compared to any other existing coating process.  UCT Coatings then launched FailZ …