![](http://www.alamy.com/thumbs/6/C3D90ACF-F11A-4571-A6A0-F9F0A942AAEF/G0FG68.jpg)
Rifling in Cannon
Helical Grooves in the barrel of an Old Cannon
Size: 3593px × 2380px
Photo credit: © Zoonar/Sergej Razvodovskij / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: armament, artillery, background, barrel, cannon, grooves, gun, helical, pattern, rifling, rusty, spiraling, tube, weapon, white