The Board of Immigration Appeals (Board) has determined that a conviction in Oklahoma for transporting a firearm qualifies as a firearms offense under section 212(a)(2)(C) of the INA. Even though this section of the INA does not explicitly encompass transportation of a firearm (but rather includes possession, sale, use, ownership, purchase, and exchanging of a firearm), the Board determined that the broad wording indicated an intent to encompass all convictions related to firearms.
The full text of Matter of Flores-Abarca can be found here: