OK HB1312

Creates an annual "Oklahoma Second Amendment Sales Tax Holiday" during the first Friday through Sunday of September, exempting qualifying firearms, ammunition, and hunting supplies from state, county, and local sales taxes

Defines qualifying items to include shotguns, rifles, pistols, revolvers, ammunition, archery equipment, ATVs designed for hunting, hunting apparel, decoys, tree stands, blinds, optics, and other hunting-related gear

Requires the state to reimburse municipalities and counties for sales tax revenue lost due to the exemption, with the Oklahoma Tax Commission directed to promulgate rules for implementation

Amends 68 O.S. 2011 Sections 1353, 1370, and 2701 to incorporate the new exemption into existing sales tax apportionment and local tax collection frameworks

Effective date of July 1, 2013, with an emergency clause for immediate implementation upon passage