American Made Parts for American Rifle Builders

How to Order a Gun or Lower Receiver from Aerospace Arms

How to Order a Gun or Lower Receiver from Aerospace Arms

Posted by Andrew Maas on Aug 16th 2024

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 …
Building an AR-15: Complete Builder’s Parts List & Guide

Building an AR-15: Complete Builder’s Parts List & Guide

Posted by Andrew Maas on Jul 30th 2024

Building an AR-15: A Builder’s Parts List & Complete Guide Last updated: September 2025 • Author: Aerospace Arms In this guide: Introduction AR-15 Build Considerations Lower Receiver Parts List Upper Receiver Parts List Choosing an AR-15 Barrel Bolt Carrier Group (BCG) Gas System Ha …
Why Every American Should Consider Building Their Own AR15

Why Every American Should Consider Building Their Own AR15

Posted by Andrew Maas on Jul 4th 2024

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 …
Who makes the best Nickel Boron BCG?

Who makes the best Nickel Boron BCG?

Posted by Andrew Maas on Oct 8th 2022

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 …