Rifled tank cannon cutaway. Labeled as a 90mm rifled cannon from a M48 Patton II tank.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...y_fullsize.jpg
Squib round shoots through magazine of competitive shooter's rifle - GIF and video
Rifle muzzle shockwave deflecting rain - GIF
Blake rifle with 7-round rotary magazine
Panzer tank hull being quenched
Can you own your own tank?
WWII Churchill tank converted into mine clearer
Big Wind firefighting jet tank