USSSA Slowpitch Tournaments bat rules (2027)
The rule for 2027
Bats must carry the USSSA 240 stamp, or be wood. Barrel 2 1/4" max. Length 34" max.
Source: cms.usssa.net · checked Oct 23, 2026
| Stamp | USSSA 240 or Wood |
|---|---|
| Max barrel | 2 1/4" |
| Max length | 34" |
| Drop limit | — |
| Ages | 14+ |
Requires the 2020 USSSA mark ("240"). The 2014 mark ("220") has been banned from sanctioned tournaments since Jan 1, 2023.
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.
- one-piece solid wood: One-piece solid wood is legal almost everywhere without a stamp. Multi-piece, laminated, bamboo and composite-wood bats usually do need a certification mark.
What size slowpitch bat?
Nearly all slowpitch bats are 34". Weight is the real choice: 26–28 oz suits most hitters.
Shop bats for Tournaments
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USSSA 240 bats
Other Slowpitch softball divisions
- USA Softball (slowpitch) Adult & youth slowpitch (Ages 10+)
- USA Softball (slowpitch) Senior slowpitch (Ages 40+)
- League play (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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