Direct Impingement Vs. Gas Piston Rifle
This video compares direct impingement (DI) and gas piston AR-15 systems, highlighting their operational differences, advantages, and disadvantages. The presenter, drawing on personal experience, emphasizes that gas piston systems run cleaner, cooler, and are generally more reliable, especially when suppressed. While a slight accuracy difference might exist, it's deemed negligible for typical AR-15 use cases with red dot optics.












