This video pits the Delta Force's (SFOD-D) historical "Gordon" carbine, featuring a Direct Impingement (internal piston) system, against the modern HK416 with its external piston system. The comparison aims to showcase the evolution of AR-15 gas systems over the decades, using a meticulously recreated "true Gordon" carbine with a 14.5-inch barrel and AEM5 suppressor. The video is brought to you by MidwayUSA and features support for Slate Black Industries and 9 Hole Reviews through various platforms like Utreon and Patreon.
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![Delta's DI vs Piston AR15 (SFOD-D) [Range Talk]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_NbZvlQIGD4%2Fhqdefault.jpg&w=3840&q=75)
