A. It shall be unlawful for any person to carry or possess any weapon designated in Section 1272 of this title in any establishment where low-point beer, as defined by Section 163.2 of Title 37 of the Oklahoma Statutes, or alcoholic beverages, as defined by Section 506 of Title 37 of the Oklahoma Statutes, are consumed.
Operative word is consumed. Alcoholic beverages are not consumed at the liquor store. the quoted law applies to bars and food establishments that sell alcolhol on the premises for consumption. re: food establishments - it only applies to those that get more than half their sales/revenues from the sale of alcohol.