Little League bat rules
Summary of Little League Baseball Rule 1.10 (baseball divisions). Always check your local league’s posted rules.
Majors & belowUSABat required
BPF 1.15 / USSSANot allowed
Intermediate / JuniorUSA or BBCOR
SeniorBBCOR required
What parents need to know
- Tee Ball, Minor, Major: non-wood bats must bear the USA Baseball logo. Max length 33″; max diameter 2⅝″. All BPF 1.15 bats are prohibited.
- Tee Ball bats (26″ and shorter) also need text: “ONLY FOR USE WITH APPROVED TEE BALLS.”
- Intermediate (50/70) & Junior: USABat or BBCOR allowed; max length 34″.
- Senior: non-wood bats must meet BBCOR; max length 36″; −3 drop weight rule applies.
- Solid one-piece wood bats do not require the USA Baseball logo.
Little League announced (July 7, 2026) that USA Baseball will oversee a new USA BBCOR standard. Little League states this does not change 2026 Intermediate/Junior/Senior tournament bat rules and will not impact 2027 seasons. Watch for updates beyond that.
Official sources: Little League Bat Rules · USABat FAQs · usabat.com
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Page reviewed: October 22, 2026