The Second Amendment Foundation (SAF) has filed a lawsuit in Denver County District Court challenging Colorado’s recently enacted Proposition KK, which imposes a 6.5% excise tax on the retail sale of firearms, ammunition, and firearm parts. The plaintiffs argue the measure is an unconstitutional i nfringement on Second Amendment rights. Filed on Monday, Langston v. Humphreys […] Second Amendment Foundation Sues Colorado Over Gun, Ammo Excise Tax ...read more read less