Bat Regulations

Where aluminum bats are permitted, only approved BBCOR stamped aluminum bats in the 15U and above categories will be permitted for use in 2019+

	Maximum Differential	Maximum Diameter	Maximum Length	* Wood or wood composite only
11U	None	2 3/4	32"
13U	-10	2 3/4	34"
15U
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"
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"

 The following bat rules were adopted by Baseball Canada for 2017

• For 13U, 16U Girls, 21U 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, 21U Women and Senior Women National Championships using up to a minus 5 length/weight differential is permitted.
• Some of the aforementioned bat types will likely not be available for 2017; however, this rule still allows bats under the previous rule to be used.
• 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. USABB bats (with 2 3/4" barrels) will not be available here until 2018.
• 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 U17 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.