Some states have a limit on the number of rounds a magazine can hold. In these states purchasing, selling, or transferring a magazine of larger size than the law allows is a crime. In some cases magazines that were bought before the law was put in place must be registered with the police, in others they may only be loaded to the number of rounds legal in a state. The law may vary in some cities.
| State | Long-guns | Handguns |
|---|---|---|
| Alabama | No | No |
| Alaska | No | No |
| Arizona | No | No |
| Arkansas | No | No |
| California | Yes | Yes |
| Colorado | Yes | Yes |
| Connecticut | Yes | Yes |
| Delaware | No | No |
| District of Columbia | Yes | Yes |
| Florida | No | No |
| Georgia | No | No |
| Hawaii | No | Yes |
| Idaho | No | No |
| Illinois | No* | No* |
| Indiana | No | No |
| Iowa | No | No |
| Kansas | No | No |
| Kentucky | No | No |
| Louisiana | No | No |
| Maine | No | No |
| Maryland | Yes | Yes |
| Massachusetts | Yes | Yes |
| Michigan | No | No |
| Minnesota | No | No |
| Mississippi | No | No |
| Missouri | No* | No* |
| Montana | No | No |
| Nebraska | No | No |
| Nevada | No | No |
| New Hampshire | No | No |
| New Jersey | Yes | Yes |
| New Mexico | No | No |
| New York | Yes | Yes |
| North Carolina | No | No |
| North Dakota | No | No |
| Ohio | No | No |
| Oklahoma | No | No |
| Oregon | No | No |
| Pennsylvania | No | No |
| Rhode Island | No | No |
| South Carolina | No | No |
| South Dakota | No | No |
| Tennessee | No | No |
| Texas | No | No |
| Utah | No | No |
| Vermont | No | No |
| Virginia | No | No |
| Washington | No | No |
| West Virginia | No | No |
| Wisconsin | No | No |
| Wyoming | No | No |
*Under certain conditions, see the law page for details.
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