Gun Barrel Markings The diameter of the gun barrel, measured between opposite lands, is known as caliber.
{"Image DocumentName": "Gun Barrel MarkingsThe diameter of the gun barrel, measured between opposite lands, is known as caliber.", "Image ImageDescription": "Once a manufacturer chooses a rifling process, the class characteristics of the weapon\u2019s barrel will remain consistent, each will have the same number of lands and grooves, with the same approximate width and direction of twist.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}