5.2.6.3 15U and 18U - In all levels (AAA, AA, A), aluminum BBCOR bats with a maximum weight-length
differential of -3 are permitted. Wood bats, bamboo bats and wood composite bats will be also allowed
(no maximum weight-length differentials for wood bats). Wood composite bats include wood bats with
fiberglass sheathing and wood barreled bats with composite handles.
Note: Females playing on co-ed’ teams at this level will be permitted to use BBCOR aluminum
bats, bats with 1.15 BPF (Bat Performance Factor), or USA Baseball Model. Bats up to a minus 5
length/weight differential is permitted.
