AS of this date the USA Baseball Standard will be implemented and Little League-approved baseball bats will no longer be acceptable for use in any Little League game or activity.

Minors & Majors
2018 - USA Baseball marking
2 5/8" barrel maximum, 33" maxium length - solid one-piece wood barrel bats do NOT require USE Baseball marking

Intermediate (50/70) & Junior
2018 - USA Baseball marking or BBCOR
2 5/8" barrel maximum, 34" maxium length - solid one-piece wood barrel bats do NOT require USA Baseball marking

Senior
2018 - USA Baseball marking or BBCOR
2 5/8" barrel maximum, 36" maxium length, drop 3 maximum - solid one-piece wood barrel bats do NOT require USA Baseball marking