Layout G - Upper Authority

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Fundamentals

What Is an Upper Receiver? Complete Breakdown

2 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

3 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