AR-15 Piston Systems: A Comprehensive Guide to Benefits, Drawbacks, and Selection
AR-15 Piston Systems: A Comprehensive Guide The AR-15 platform is renowned for its modularity and adaptability, allowing users to customize virtually every aspect of the rifle. One significant area of customization lies in the operating system: direct impingement (DI) versus piston-driven systems. While the original AR-15 design utilizes a DI system, AR-15 piston systems have … Read more