If you are looking to build your first AR-15 that uses a .458 Upper Receiver, this guide is for you. There are plenty of AR parts, but to build an AR-15 .458 SOCOM rifle, you would need to do some proper research to determine what parts to purchase.
That said, a .458 SOCOM round is a great round, and it is extremely accurate at short ranges. If you are a hunter or shooter who prefers shoot range shooting, then this round would be an excellent option for your recreational activity.
The first thing you would need to do is build an .458 SOCOM Upper Receiver. You can buy a stripped one or an assembled one; either way, there are some good options out there. In this guide, we are going to discuss .458 Upper Receivers.
We have compiled a short list of some of the best .458 SOCOM Upper Receivers available. We have also included a buyer’s guide discussing what factors you need to consider when choosing an AR-15 .458 Upper Receiver.