Gun Violence Prevention and Reduction Act of 2013

[AI summary unavailable — showing source text] Gun Violence Prevention and Reduction Act of 2013 - Considers as a banned hazardous product under the Consumer Product Safety Act any firearm receiver casting or firearm receiver blank (do-it-yourself assault weapon) that: (1) at the point of sale does not meet the definition of a firearm under the federal criminal code; and (2) after purchase can be completed by the consumer to the point at which such casting or blank functions as a firearm frame or receiver for a semiautomatic assault weapon or machine gun. Makes it unlawful to sell, offer for sale, manufacture for sale, or import into the United States for sale, to a consumer an assault weapon parts kit or machine gun parts kit. Makes it unlawful to market or advertise any of these weapons for sale on any medium of electronic communications, including over the Internet. Amends the Public Health Service Act to require the Director of the National Institute of Mental Health to conduct or support research on the causes, prevention, and treatment of serious mental illness. Authorizes additional appropriations for National Health Service Corps scholarship and loan repayments in order to ensure an adequate supply of behavioral and men…