There have been some updates to Baseball Manitoba's bat rules:
All Junior and Senior categories = Wood bats
18U A, AA and AAA, and 15U AAA Provincial Championships = Metal bats (BBCOR -3)
15U “AA” and 15U “A” teams = metals bats (minus 3 rule)
Western Canada and Baseball Canada 15U and 18U “AAA” events = wood bats
Baseball Canada has implemented a minus 10 (-10) bat regulation at the 13U Regional events. The wood bat ruling does not apply to Western Canada 15U “AA” championships, as they will still use metal bats.
For more on the Metal Bat Rule Change in MB, visit: https://www.baseballmanitoba.ca/node/748