USSSA Slowpitch League play bat rules (2027)
The rule for 2027
Bats must carry the USSSA 240 stamp. Barrel 2 1/4" max. Length 34" max.
Source: cms.usssa.net · checked Oct 23, 2026
| Stamp | USSSA 240 |
|---|---|
| Max barrel | 2 1/4" |
| Max length | 34" |
| Drop limit | — |
| Ages | 14+ |
The 2020 ("240") mark is legal, and the older 2014 ("220") mark is still allowed in USSSA league play. Some local leagues ban 220 bats.
What the stamps mean
- 2020 USSSA mark (the "240" stamp): Required for USSSA slowpitch tournaments. The older 2014 "220" stamp has been banned from sanctioned tournaments since 2023, but it's still allowed in USSSA league play. Official list.
What size slowpitch bat?
Nearly all slowpitch bats are 34". Weight is the real choice: 26–28 oz suits most hitters.
Shop bats for League play
These links open bats with the right stamp. Check the exact model against the official list before you buy. We earn a commission if you buy, at no cost to you.
USSSA 240 bats
Other Slowpitch softball divisions
- USA Softball (slowpitch) Adult & youth slowpitch (Ages 10+)
- USA Softball (slowpitch) Senior slowpitch (Ages 40+)
- Tournaments (Ages 14+)
- Senior (Ages 40+)
- NSA Slowpitch Adult & youth (Ages 10+)
- NSA Slowpitch Senior (Ages 40+)
- Senior Softball-USA SSUSA tournaments (Ages 40+)
- Church / city rec league Local leagues (Ages 14+)
This page summarizes the published rule. Your league or tournament can add its own, and its ruling is final. Confirm your bat isn't on a decertified or non-approved list before you buy. More bat questions.
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