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windage diagrams

  1. Windage Diagrams - USGI Match Ammo

    Competitors used data books to track zeroes, plot hits and record scores. The books also contained windage diagrams for M72 .30 cal. and M118 7.62 cal. USGI match ammo. Windage diagrams were a great asset in competition. epending on range estimating skill they can be useful in the field...