Bat Size
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 (A / AA) | | | |
| BOYS | -3 | 2 5/8 | 34’’ |
| GIRLS | -5 | 2 3/4 | 34’’ |
| ‘AAA’ * | N/A | 2 5/8 | 34’’ |
| 18U | | | |
| ‘AA’ * | N/A | 2 5/8 | 35’’ |
| ‘AAA’ * | N/A | 2 5/8 | 36’’ |
| 18U 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 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. - 15U A and 15U AA will now be able to use a drop five (-5) USSSA/USA non-wood bat that is up to 2 3/4" in diameter during league and provincial championships.
- 17U Canada Cup Championship is a wood bat only championship.
- 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.
