15.7" Contour M2 Details Barrel Attachments | COD Black Ops Cold War | Call of Duty Attachment TypeBarrel Attachments | COD Black Ops Cold War | Call of Duty 15.7" Contour M2 Stats - Pros and Cons: Weapon Blueprints That Equip 15.7" Contour M2: Soft Hammer 24.8" Task Force 25.2" Task Force