BAT REGULATIONS
Where aluminum bats are permitted, only approved “BBCOR” stamped aluminum bats in the 15U and above categories will be
permitted for use.
BAT REGULATION CHART:
| MAX. DIFFERENTIAL | MAX. DIAMETER | MAX. LENGTH | |
| 11U | NONE | 2 3/4 | 32’’ |
| 13U | -10 | 2 3/4 | 34’’ |
| 15U | |||
| BOYS (‘A’ / ‘AA’) | -3 | 2 5/8 | 34’’ |
| GIRLS | -5 | 2 3/4 | 34’’ |
| ‘AAA’ * | N/A | 2 5/8 | 34’’ |
| 18U | |||
| ‘A’ | -3 | 2 5/8 | 34’’ |
| ‘AA’ * | N/A | 2 5/8 | 35’’ |
| ‘AAA’ * | N/A | 2 5/8 | 36’’ |
| Women | -5 | 2 3/4 | 35’’ |
| JUNIOR/SENIOR | |||
| ‘AA’ * | N/A | 2 5/8 | 36’’ |
| ‘AAA’ * | N/A | 2 5/8 | 36’’ |
| Women | -5 | 2 3/4 | 35’’ |
* Wood or wood composite only
• For 13U, 16U Girls, Junior Women and Senior Women National Championships, a max barrel of 2 3/4” with (i) a 1.15 BPF
(Bat Performance Factor) or (ii) USA Baseball Model with BBCOR “wood like” BPF is permitted. For the 13U National
Championships using up to a minus 10-length/weight differential is permitted. For 16U Girls, Junior Women and Senior
Women National Championships using 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 11U 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 bat only championship.
• 15U and 18U Girls are eligible to use up to a -5 bat with a barrel no more then 2 3/4” diameter. Girls using bats that are
NOT -3 must have them clearly marked (colored tape around handle). Umpires must be notified of this bat prior to the game.