The Sig Sauer M18 is a military model with the TC serial number prefix. It is in excellent condition. Previously owned by a former armed forces retired veteran. Barrel is clean, clear and has a good bore. Comes in box with 3 magazines (1- 21rd) & (2-17rd). All information is correct to the best of our knowledge. Before making a purchase do your own due diligence. SKU-25070055 WEIGHT: 3.5lbs BOX: 17"x10"x4"