This video investigates the impact of sustained high rates of fire on AR-15 barrel performance, specifically focusing on group size, location, and velocity changes. The experiment compares a lighter Faxon Gunner barrel with a heavier Nordic Components barrel, firing 90 rounds each in 30-shot groups. While some minor degradation in accuracy was observed in later groups, the overall impact was deemed minimal for typical AR-15 shooting scenarios like multi-gun or black rifle matches.
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