American Made Parts for American Rifle Builders

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 …
How to build an ultra-lightweight AR-15

How to build an ultra-lightweight AR-15

Posted by Daniel Thompson on May 1st 2022

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 …