STATES RESTRICTING MAGAZINE CAPACITY INCLUDE:
| California | Prohibits magazines over 10 rounds |
| Colorado | Prohibits magazines over 15 rounds |
| Connecticut | Prohibits magazines over 10 rounds and purchase of ANY capacity requires verification |
| Delaware | Prohibits magazines over 17 rounds |
| Hawaii | Prohibits magazines over 10 rounds |
| Maryland | Prohibits magazines over 10 rounds |
| Massachusetts | Prohibits magazines over 10 rounds |
| New Jersey | Prohibits magazines over 10 rounds |
| New York | Prohibits magazines over 10 rounds |
| Rhode Island | Prohibits magazines over 10 rounds |
| Vermont | Prohibits rifle magazines over 10 rounds and handgun magazines over 15 rounds |
| Washington | Prohibits magazines over 10 rounds |
LOCAL GOVERNMENTS RESTRICTING MAGAZINE CAPACITY INCLUDE:
| City and County of Boulder, CO | Prohibits magazines over 10 rounds |
| Louisville, CO | Prohibits magazines over 10 rounds |
| Superior, CO | Prohibits magazines over 10 rounds |
| Aurora, IL | Prohibits magazines over 15 rounds |
| Cook County, IL | Prohibits magazines over 10 rounds |
| Deerfield, IL | Prohibits rifle magazines over 10 rounds |
| Highland Park, IL | Prohibits rifle magazines over 10 rounds |
| Highwood, IL | Prohibits rifle magazines over 10 rounds |
| North Chicago, IL | Prohibits magazines over 16 rounds of center fire ammunition |
| University Park, IL | Prohibits rifle magazines over 10 rounds |
| Buffalo, NY | Prohibits rifle and shotgun magazines over 5 rounds |
| Rochester, NY | Prohibits rifle and shotgun magazines over 5 rounds |
| Washington, D.C. | Prohibits magazines over 10 rounds |