This video presents a comprehensive, data-driven shootout comparing eight different chrome-lined AR-15 barrels using PMC X-Tac M855 62gr Green Tip ammunition. Instructor Preston Moore meticulously details his testing methodology, employing advanced tools like the Garmin Xero C1 Pro chronograph and Ballistic-X software to analyze 30-shot groups at 100 yards. The results highlight significant variations in accuracy and velocity between barrels, introducing the 'A-ZED' metric for practical group size evaluation.
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