Is an AR15 Direct Impingement or Internal Piston? DI, External/Internal Piston Explained
This video delves into the operational mechanisms of the AR-15 platform, specifically addressing whether it utilizes a Direct Impingement (DI) system or an internal piston. The content aims to clarify these distinctions and potentially explain the differences between DI and various piston systems (both internal and external). The description also promotes the creator's website for purchasing "America's Rifle" and lists various affiliated products and support options like Amazon, Patreon, and specific discount codes for firearm-related accessories and maintenance items.










