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VELOCITY UNIFORMITY OBTAINED WITH 13 GR. MODIFIED M22 PRIMERS IN THE 75 MM GUN
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
Pagination or Media Count:
Twenty rounds were fired with the 13 gr. Modified M22 primers. A mean deviation of 2 fs or an estimated probable error in velocity of 1.5 fs was obtained. An explanation of this low dispersion in velocity is tentatively offered.
APPROVED FOR PUBLIC RELEASE