Upper Authority | AR Platform Education & Comparison

Fundamentals

What Is an AR-15 Handguard? Handguards & Rail Systems Explained

4 weeks ago

AR-15 free-float handguard with M-LOK slots and top Picatinny rail

Fundamentals

What Is a Charging Handle? How an AR-15 Charging Handle Works

4 weeks ago

AR-15 ambidextrous charging handle

Fundamentals

What Is a Fire Control Group? Understanding the Parts That Control the Trigger

4 weeks ago

AR-15 fire control group components including trigger, hammer, disconnector, springs, and pins

Camouflage • Hunting

Realtree vs Mossy Oak: Which Camouflage Pattern Is Better for Hunting?

4 months ago

Two hunters wearing woodland camouflage stand in a forest during early morning light.

Camouflage • Hunting

Best Camo Patterns by Terrain: Matching Camouflage to Your Environment

5 months ago

Hunter in camouflage overlooking a landscape with forest, wetlands, and open fields.

Camouflage • Hunting

How to Choose Camo for Hunting: Terrain, Season, and Pattern Selection

5 months ago

Hunter comparing several camouflage jackets beside a marsh and woodland landscape

Clear, no-BS guides to AR-15 parts, builds, and legal basics.

Latest Equipment & Build Guides

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

What Is an Upper Receiver? Complete Breakdown

7 months ago

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

AR Platform Explained: Complete Beginner Guide

8 months ago