In Baltimore, after Maryland passed ghost gun regulations in 2022, recoveries of ghost guns manufactured by Polymer80 dropped by 25 percent in 2023 and again by 29 percent in 2024.
Everytown for Gun Safety Support Fund, “Who is Manufacturing the Guns Used in Crimes? City-Level Data on Crime Gun Recoveries,” December 16, 2025, https://everytownresearch.org/report/city-level-data-crime-gun-recoveries/.