Numeric Pagination - Upper Authority

Latest Articles

Close-up of an AR-15 upper receiver on a workbench with the gas block, gas tube, and partially removed bolt carrier group visible.

AR-15 Dwell Time Explained: How It Affects Cycling and Reliability

1 month ago

AR-15 bolt carrier group on a dark workbench showing bolt lugs and carrier body

Bolt Locking and Unlocking Process Explained

1 month ago

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

Accessories • Equipment

Best AR-15 Buffer Tubes: What Actually Matters and What to Buy

1 month ago

Close-up of an AR-15 lower receiver with buffer tube, buffer spring, and buffer partially removed

AR-15 Buffer System Basics: How It Works and Why It Matters

1 month ago

Accessories • Equipment

Mil-Spec vs Commercial Buffer Tube Dimensions Explained

1 month ago

Two black AR-style buffer tubes labeled mil-spec and commercial placed side by side on a dark surface

Accessories • Equipment

AR Buffer Tube Compatibility Chart

1 month ago

Two black AR-15 buttstocks placed facing each other on a dark textured surface with soft studio lighting

Accessories • Equipment

AR-15 Stock Compatibility Guide: What Fits and Why It Matters

1 month ago

Three AR-style buffer tubes in black, gray, and tan finishes arranged diagonally on a dark workbench surface

Accessories • Equipment

Buffer Tube Types and Differences Explained

1 month ago

Close-up of an AR-15 bolt carrier group showing the gas key and mounting screws on top of the carrier

Maintenance

Gas Key Staking Explained: Why It Matters for AR-15 Reliability

1 month ago

Close-up of a metal bolt carrier group resting on a dark workbench with tools blurred in the background

Maintenance

BCG Troubleshooting Guide: Diagnosing AR-15 Cycling Issues

1 month ago