Largest working rifle

- Who
- James A. DeCaine
- Where
- United States (Ishpemimg,Michigan)
- When
- 01 September 2008
The largest working rifle is 10.18 m (33 ft 4 in) long and belongs to James A. DeCaine (USA). It was measured in Ishpemimg, Michigan, USA, on 1 September 2008.