The AR-15: A Modular Marvel

SCO 15

Two halves, two pins, and a lifetime of configurations. How the AR’s gas system actually works, what barrel length costs you, and the Colorado rules that govern a build.

Introduction to AR-Type Rifles

AR Type Rifles

What “AR” actually stands for, where Stoner’s 1956 design came from, and how it became the best-selling centerfire rifle in America. Part 1 of 3.

The AK Platform

Ak end

Eighty years on, still the most-produced rifle in history. Where the AK came from, how its long-stroke piston works, and why it runs when it shouldn’t.