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Upper Authority
  • Equipment
  • Builds
  • Fundamentals
  • Maintenance
  • Legal
  • About

Layout A

Layout B

Layout C

Layout D

Layout E

Layout F

AR-15 Cycle of Operations: How the Rifle Functions Step by Step

AR-15 Parts Overview: Components and How They Work

Bolt Carrier Group Maintenance: Cleaning, Lubrication, and Wear Points

How the Bolt Carrier Group Works: A Clear Breakdown

How an AR-15 Works: Complete Cycling Process Explained

AR-15 Gas Port Size Explained: Reliability, Recoil, and Cycling

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

Budget AR Build Guide: Smart Parts and Cost Breakdown

Layout G

Layout H

Fundamentals

AR-15 Gas Port Size Explained: Reliability, Recoil, and Cycling

Infographic showing overgassed, ideal, and undergassed AR-15 ejection patterns with recoil and cycling characteristics.
Maintenance

Overgassed vs Undergassed AR-15: Symptoms, Causes, and Fixes

Close-up of an AR-15 barrel with gas block and gas tube on a light background
Fundamentals

AR-15 Gas System Explained: How It Actually Works

assembled AR-15 bolt carrier group resting on a wooden surface
Bolt Carrier Groups • Equipment

Best Bolt Carrier Groups by Use Case and Reliability

Categories module - 5 columns

Fundamentals

18 articles
assembled AR-15 bolt carrier group resting on a wooden surface

Equipment

12 articles
Two metallic bolt carrier groups placed parallel on a dark textured surface with soft directional lighting

Builds

3 articles
Infographic showing overgassed, ideal, and undergassed AR-15 ejection patterns with recoil and cycling characteristics.

Maintenance

5 articles
Complete AR-15 upper receiver assembly with handguard and barrel on a neutral background

Upper Receivers

1 articles
assembled AR-15 bolt carrier group resting on a wooden surface

Bolt Carrier Groups

5 articles
Several AR-15 buffer tubes and related components arranged on a dark workbench surface

Accessories

5 articles

Categories module - 2 columns

Fundamentals

18 articles
assembled AR-15 bolt carrier group resting on a wooden surface

Equipment

12 articles
Two metallic bolt carrier groups placed parallel on a dark textured surface with soft directional lighting

Builds

3 articles
Infographic showing overgassed, ideal, and undergassed AR-15 ejection patterns with recoil and cycling characteristics.

Maintenance

5 articles
Complete AR-15 upper receiver assembly with handguard and barrel on a neutral background

Upper Receivers

1 articles
assembled AR-15 bolt carrier group resting on a wooden surface

Bolt Carrier Groups

5 articles
Several AR-15 buffer tubes and related components arranged on a dark workbench surface

Accessories

5 articles

Categories module - 1 column

Featured Posts

  • Fundamentals AR-15 Gas Port Size Explained: Reliability, Recoil...
  • Infographic showing overgassed, ideal, and undergassed AR-15 ejection patterns with recoil and cycling characteristics.
    Maintenance Overgassed vs Undergassed AR-15: Symptoms, Causes...
  • Close-up of an AR-15 barrel with gas block and gas tube on a light background
    Fundamentals AR-15 Gas System Explained: How It Actually Works

Upper Authority

Upper Authority is a structured educational resource focused on AR platform configuration, component evaluation, and performance consistency.

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  • Best Upper Receivers
  • Best Bolt Carrier Groups
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  • AR-10 vs AR-15 Comparison

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