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U.S. Arms Co.U.S. M1 CarbineU.S. OrdnanceU.S. Repeating Arms Co.Uberti, Aldo/uberti UsaUgartechea, ArmasUhlinger, William P.UltimateUltra Light ArmsUmarex UsaUncetaUnionUnion Fire Arms CompanyUniqueUnited Sporting Arms, Inc.United States ArmsUnited States Fire Arms Mfg.United States Revolver AssociationUnited States Small Arms Co.Universal FirearmsUrizar, TomasUsas 12 Daewoo Precision Ind., Ltd.Uselton Arms Inc.Uzi Israeli Military Industries