State 

Restriction Specifications & Restricted Areas   

Restriction Exceptions 

California

Prohibits magazines with a capacity of more than 10 rounds.

None

Colorado

Denver City Limits

Prohibits magazines with a capacity of more than 20 rounds.

None

Connecticut

Prohibits magazines with a capacity of more than 10 rounds.

None

Hawaii

Prohibits magazines with a capacity of more than 10 rounds.

None

Illinois

Cook County

Prohibits magazines with a capacity of more than 12 rounds

City of Aurora 

Prohibits magazines with a capacity of more than 15 rounds.

None

Maryland

Prohibits magazines with a capacity of more than 20 rounds.

None

Massachusetts

Prohibits magazines with a capacity of more than 10 rounds.

None

New Jersey

Prohibits magazines with a capacity of more than 15 rounds. 

None

New York

Prohibits magazines with a capacity of more than 7 rounds.

None

Washington D.C.

Prohibits magazines with a capacity of more than 10 rounds.

None