Tex. Loc. Gov't Code § 229.002
A municipality may not apply a regulation relating to the discharge of firearms or other weapons in the extraterritorial jurisdiction of the municipality or in an area annexed by the municipality after September 1, 1981, if the firearm or other weapon is:
(1) a shotgun, air rifle or pistol, BB gun, or bow and arrow discharged:
(2) a center fire or rim fire rifle or pistol of any caliber discharged:
Added by Acts 2005, 79th Leg., Ch. 18 (S.B. 734), Sec. 4, eff. May 3, 2005.