The legality of high-capacity magazines, such as those holding 100 rounds, is a complex issue varying significantly by jurisdiction. These devices, designed to increase firearm ammunition capacity, are often associated with specific types of firearms, like rifles and pistols. For instance, a 100-round drum magazine might be used with a semi-automatic rifle, greatly extending the time between reloads.
Regulations concerning magazine capacity have a long and often contentious history, rooted in public safety concerns and the Second Amendment right to bear arms. Understanding these regulations is crucial for responsible firearm ownership and compliance with the law. The capacity limits imposed by various jurisdictions can range from relatively low numbers to no restrictions at all. These laws are often subject to change and legal challenges, making it vital to stay informed about current regulations at the local, state, and federal levels.