This video compares the effect of ported barrels versus compensators on firearm velocity. Using a Garmin C1 Pro Chronograph, the creator analyzes FPS changes as barrel length decreases from 5.2 inches down to 3.4 inches. Specific firearms tested include modified and stock CZ 75 and Shadow 2 models, a CZ 75 D PCR, and a Glock 43, all chambered in 9mm. The experiment also investigates whether ported barrels or compensators impact velocity. The video provides links to other related content and social media platforms.
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