- 記録保持者
- James A. DeCaine
- 場所
- アメリカ合衆国 (Ishpemimg,Michigan)
- 達成日
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.
The rifle fires projectiles using propane and oxygen.