International Defensive Pistol Association

IDPA suggests that Match Directors planning to use buckshot on paper targets give shooters advance notice so they will have the correct ammunition on hand. Buckshot hits on paper are scored as follows: More than Six pellets (14 for 20 ga) in the -0 zone of the target: -0. More than Six pellets (14 for 20 ga) in the -1 zone and -0 combined: -1 ................
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