Notwithstanding any other provision of this chapter, a police department or other law enforcement agency retaining firearms and ammunition covered by this chapter, Title 15, section 3314 or chapter 517, or Title 17-A, section 1158-A may auction the firearms to federally licensed firearms dealers or the public, use the firearms and ammunition for training purposes or destroy the firearms and ammunition. [2003, c. 657, §11 (AMD).]