Everytown for Gun Safety; formed in 2013 from a merger of Mayors Against Illegal Guns and Moms Demand Action; currently active in gun-reg reform and policy advocacy.
The USPS is moving to allow concealable firearms to be mailed domestically under safeguards similar to rifles and shotguns. Democratic attorneys general in about two dozen states are opposing the plan, arguing it undermines state gun laws and enables access for people not legally permitted to possess firearms.