FT. WORTH, TX (August 18, 2023) – Today, Firearms Policy Coalition (FPC) and FPC Action Foundation (FPCAF) announced the filing of a supplemental district court brief in Mock v. Garland, their lawsuit challenging the ATF’s pistol brace rule. The brief follows the Fifth Circuit determining that the rule is likely illegal and remanding the lawsuit back to the district court with instructions to reconsider the other preliminary injunction factors within 60 days. The brief can be viewed at FPCLegal.org.