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Fundamentals

Close-up of a rifle barrel showing a highlighted gas port with directional gas flow arrows.

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

2 months ago

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

AR-15 Gas System Explained: How It Actually Works

2 months ago

Side-by-side comparison diagram of two rifle operating systems showing gas flow in a direct impingement system and a piston-operated system

Direct Impingement vs Piston AR: Key Differences and Tradeoffs

2 months ago

Bolt carrier group partially extended from an AR-15 upper receiver showing bolt lugs and cam pin on a workbench

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

2 months ago

Disassembled AR-15 components arranged on a workbench, including upper receiver, lower receiver, bolt carrier group, and buffer system

AR Platform Fundamentals: How the System Works

2 months ago

AR-15 bolt carrier group with bolt extended next to a barrel extension on a workbench

AR-15 Headspace Explained: What It Is and Why It Matters

2 months ago

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

2 months ago

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

Bolt Locking and Unlocking Process Explained

2 months 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

3 months ago

Close-up of a black AR-style rifle receiver and magazine resting on a padded surface

AR-15 Parts Overview: Components and How They Work

3 months ago