The Area 419 Railchanger X with ARCALOCK Clamp is the second generation of the popular RailChanger System. It is designed with a lever-actuated bag retention system that will allow shooters to spend more time acquiring and engaging targets, and less time manipulating gear. Attaches to ARCA rail.Note- Does not include shooting bag Features Lever-actuated bag retention system ARCALOCK ClampAllows shooters to spend more time acquiring and engaging targets and less time manipulating gear Attaches to ARCA railDoes not include shooting bag