Complex sentence: Many jurisdictions such as the State of California require some form of "drop safety" on all new firearms, designed to reduce the chance of a firearm accidentally discharging when dropped or roughly handled.
Split into simpler sentences: Many jurisdictions such as the State of California require some form of "drop safety" on all new firearms. A drop safety, as the name implies, is designed to reduce the chance of a firearm accidentally discharging when it is dropped or roughly handled.