| Bat Restrictions | ||||
| Age | Association | Barrel Size Max | Weight Differential | |
| 10T | MYAS | 2 3/4" | Unlimited | |
| 11T | MYAS | 2 3/4" | Unlimited | |
| 12T | MYAS | 2 3/4" | Unlimited | |
| 13T | MYAS | 2 3/4" | Unlimited | |
| 14T | MYAS | 2 3/4" | - 5 Max | |
| 15T | MYAS | 2 5/8" | - 3 Max | |
| 3/4 In-house | MYBI | 2 1/4" | Unlimited | |
| 3/4 In-house | NSBL | 2 1/4" | Unlimited | |
| 5/6 In-house | NSBL | 2 1/4" | Unlimited | |
| 7th In-house | NSBL | 2 3/4" | - 8.5 Max | |
| 8/9 In-house | NSBL | 2 3/4" | - 5 Max | |
| Senior League | MAA | 2 5/8" | - 3 Max | |
| Weight differential refers to how many ounces less the bat can weigh relative to the bat's length | ||||
| Example: At 14T or 8th/9th grade level a legal bat would be: 32in/27ozs or 31in/26ozs | ||||