College softball bat rules (2027)
College fastpitch bat rules.
| Division | Season | Stamp | Barrel | Max length | Drop limit |
|---|---|---|---|---|---|
| NCAA (all divisions) Ages 17–25 | Current | USA Softball | 2 1/4" | 34" | — |
Notes by division
- NCAA (all divisions): The bat must also be on the current NCAA Approved Softball Bat List, which is updated each April, August and December and can drop models immediately.
Stamps used in College softball
- USA Softball mark (ASA 2000, ASA 2004 or USA Softball "All Games"): The most widely required fastpitch stamp. USA Softball events also require the bat to be on the approved list and off the non-approved list. The ASA 2013 mark isn't legal for girls' or women's fastpitch. Official list.
Sources
- https://ncaaorg.s3.amazonaws.com/championships/sports/softball/rules/PRWSB_RulesBook.pdf (checked Oct 23, 2026)
This page summarizes published rules. 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. Questions about a specific model? Check the official list linked above. More bat questions.
Not sure what to buy?
The free Bat Finder gives you the length, the drop and the stamp your league requires in about 20 seconds.
Open the Bat Finder