Babe Ruth & Cal Ripken Babe Ruth 16–18 bat rules (2027)
The rule for 2027
Bats must carry the BBCOR stamp, or be wood. Barrel 2 5/8" max. Drop -3 or heavier.
Source: baberuthleague.org · checked Oct 23, 2026
| Stamp | BBCOR or Wood |
|---|---|
| Max barrel | 2 5/8" |
| Max length | — |
| Drop limit | -3 or heavier |
| Ages | 16–18 |
"All bats must be BBCOR .50."
What the stamps mean
- BBCOR .50 mark: The high school and college standard: -3 drop, barrel up to 2 5/8", 36" max. BBCOR bats made before USA BBCOR stay legal in high school indefinitely, but the NCAA requires the new USA BBCOR mark from Jan 1, 2029. 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 bat for Babe Ruth 16–18?
Height and weight matter more than age. These are typical sizes for an average-size player, from the Rawlings/Easton sizing chart and CDC growth charts. For your player's exact size, use the Bat Finder for Babe Ruth 16–18.
| Age | Typical length | BBCOR drop |
|---|---|---|
| 16 | 32"–33" | -3 |
| 17 | 33" | -3 |
| 18 | 33"–34" | -3 |
Shop bats for Babe Ruth 16–18
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.
BBCOR bats
Playing college ball in 2029 or later? Those players will need the new USA BBCOR mark, which reaches stores July 1, 2027.
Other Babe Ruth & Cal Ripken divisions
- T-Ball (Ages 4–6)
- Cal Ripken (Rookie, Minor, Major 60/70) (Ages 4–12)
- Babe Ruth 13–16 (Ages 13–16)
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.
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