Understanding an AR-15 starts with knowing what makes it function as a complete system. At a basic level, the platform is built around two primary assemblies—the upper and lower receiver—but the actual ar 15 parts list extends well beyond those two components. Each part contributes to reliability, cycling, accuracy, and overall performance consistency. A clear parts…

Most AR buying mistakes start with the same problem: trying to choose parts before understanding the platform itself. The AR platform is often described as a rifle, but that is only part of the picture. It is better understood as a modular system built around two major receiver assemblies, a gas-operated cycling mechanism, and a long…