(1) When any county sheriff's deputy retires or otherwise honorably terminates employment with the county sheriff, the officer may purchase any firearm which had been issued to the officer by the county sheriff.
(2) The county sheriff, with the approval of the county judge, may sell the firearm to the deputy at its fair market value as determined by the county sheriff.
(3) In regard to the sale of such firearms, the county sheriff is not required to comply with any other law of this state regarding the sale of county property.