400.00 ATA ARMS 12 gauge shot gun semiautomatic Mississauga / Brampton / Peel Region Mar 19, 2024 - 9:22 PM [email protected] Barely used 12 gauge shot gun. It’s a semi automatic, smooth bore perfect for deer hunting for control hunt with rifled slugs. It takes up to 3” shells with 24” barrel. It is in brand new condition bought last year used once.