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Little League Bat Rules

To find the latest bat information, including the Little League Baseball rules and regulations governing bats, definition of terms, the moratorium on the use of composite bats, and a series of frequently asked questions, with answers follow

Major changes coming in effective Jan 1, 2018.

From an e-mail from LittleLeague International dated Feb 27th, 2012

USA Baseball has advised us that the National Collegiate Athletic Association (NCAA) has provided official notice that the BBCOR decertification process has been implemented for the Marucci CAT5 33-inch model bat.

Effectively immediately and until notified otherwise, this bat (Marucci CAT5 33-inch length) should be considered non-compliant and subject to Junior, Senior, and Big League Baseball Rules 1.10 and 6.06(d). It should be noted that the National Federation of State High School Associations has taken similar action.