A1Armory Blog

The AR-15 has undeniably earned its place as the most popular sporting rifle in America, largely thanks to its reliable performance and ease of use, high degree of customization, and accessibility. In recent years, manufacturers have pushed the limits of innovation for the platform, introducing an endless variety of new calibers, accessories, and design elements.One of the most successful of those innovations is the side-charging upper receiver, which seeks to address some of the dow …