Layout G - Upper Authority

Layout G (list + load more)

Fundamentals

What Is a Lower Receiver? Function, Parts, and Legal Overview

5 months ago

by Upper Authority Editorial Team

Close-up view of an AR-15 lower receiver showing the trigger, safety selector, and magazine well

Fundamentals

What Is an Upper Receiver? Complete Breakdown

5 months ago

by Upper Authority Editorial Team

Close-up of an AR-15 upper receiver showing the ejection port and top rail

Fundamentals

AR Platform Explained: Complete Beginner Guide

6 months ago

by Upper Authority Editorial Team

Exploded blueprint view of an AR-15 platform rifle showing separated modular components including upper receiver, lower receiver, handguards, stock, and magazines