diameter+of+bore
51calibrate — v. a. Determine the diameter or bore of, measure with callipers …
52borer — Ⅰ. bore [1] ► VERB 1) make (a hole) in something with a drill or other tool. 2) hollow out (a gun barrel or other tube). ► NOUN 1) the hollow part inside a gun barrel or other tube. 2) the diameter of this: a small bore rifle …
53boring — Ⅰ. bore [1] ► VERB 1) make (a hole) in something with a drill or other tool. 2) hollow out (a gun barrel or other tube). ► NOUN 1) the hollow part inside a gun barrel or other tube. 2) the diameter of this: a small bore rifle …
54Shotgun — For other uses, see Shotgun (disambiguation). A pump action Remington 870, two semi automatic …
55Internal ballistics — Internal ballistics, a subfield of ballistics, is the study of a projectile s behavior from the time its propellant s igniter is initiated until it exits the gun barrel. The study of internal ballistics is important to designers and users of… …
56Rifling — refers to the helix shaped pattern in the barrel of a firearm, which imparts a spin to a projectile around its long axis. This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy.Rifling is… …
57Caliber — The term caliber or calibre designates the interior diameter of a tube or the exterior diameter of a wire or rod. It comes from the French calibre , itself from qālib (قالب), Arabic word for mold , itself from kalamoys , Greek word for wooden… …
58Chevrolet small-block engine — Chevrolet Small Block V8 engine Manufacturer: General Motors Production: 1955–2003 Successors: GM LT engine, GM LS engine Type: small block V8 265 Produ …
59Shotgun shell — A 12 gauge shotgun shell in a transparent plastic hull, allowing the contents to be seen. From left to right: gunpowder, over powder wad, shot wad, #8 birdshot, and over shot wad A shotgun shell (shotshell) is a self contained cartridge loaded… …
60tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
