Bill > S1374

This bill, known as the BUMP Act (Banning Unlawful Machinegun Parts Act), proposes significant restrictions on devices and modifications that can increase the rate of fire of semiautomatic firearms. The bill defines a semiautomatic firearm as a weapon that fires one cartridge per trigger pull and uses the energy of the first shot to prepare the next round. It makes it illegal to import, sell, manufacture, transfer, receive, or possess devices or modifications that materially increase a firearm's rate of fire or make it function similarly to a machinegun. This includes manual, power-driven, or electronic devices designed to accelerate firing speed or eliminate the need for separate trigger movements. The bill requires owners of semiautomatic firearms modified before the law's enactment to register these weapons within 120 days, using the same registration process as the National Firearms Act. Exceptions are made for government agencies, states, and tribes. Violations would be subject to penalties under existing federal firearm laws. The primary aim is to prevent civilian access to devices that can effectively convert semiautomatic weapons to function like automatic weapons.

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https://www.congress.gov/bill/119th-congress/senate-bill/1374/all-info