2024 Bat Regulations

Where non-wood bats are permitted, only approved “BBCOR” stamped aluminum bats in the 15U AAA and 18U categories will be permitted for use.

AGE/LEVEL	MAX DIFFERENTIAL	MAX DIAMETER	MAX LENGTH
11U	None	2 3/4	32"
13U & 14U Girls	-10	2 3/4	34"
15U & 16U Girls	-5	2 3/4	34"
15U AAA	-3	2 5/8	34"
18U	-3	2 5/8	35"
21U and SR Women	-5	2 3/4	35"

Note: 15U A, AA, Tier 1, 2 and 3 players may use -5 (or -3) metal bats.
Note: Junior and Senior Players must use wood or wood composite bats.
Note: Wood or wood composite bats are allowed at all levels and there are no weight requirements for wood bats.

Maximum differential refers to the difference between the length of the bat (inches) and the weight of the bat (ounces). So, a bat that is 30 inches long and 20 ounces is a -10 bat.
For the 13U National Championships using up to a minus 10 length/weight differential is permitted. For 16U Girls, 21U Women and Senior Women National Championships a max barrel of 2 3/4” with a 1.15 BPF (Bat Performance Factor) or USA Baseball Model and up to a minus 5 length/weight differential is permitted.
USSSA 1.15 and USABB bats will be both approved for play under Baseball Canada rules for the 13U and under categories. This allows for all previous & current 2 1/4”, 2 5/8” and 2 3/4” USSSA 1.15 certified bats to be used.
All Post Provincial Championships (Western Canada Championships and Baseball Canada National Championships) for categories 15U ‘AAA’ and above are wood or wood composite bat only Championships.
The 17U Canada Cup Championship is a wood, or wood composite bat only championship.