one turn of rifling in calibers

См. также в других словарях:

• Rifling — 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… …   Wikipedia

• twist of rifling —    Inclination of the spiral grooves (rifling) to the axis of the bore of a weapon; it is expressed as the number of calibers of length in which the rifling makes one complete turn …   Forensic science glossary

• Cartridge (firearms) — From left: .50 BMG, .300 Win Mag, .308 Winchester, 7.62×39mm, 5.56×45mm NATO, .22LR. A cartridge, also called a round, packages the bullet, gunpowder and primer into a single metallic case precisely made to fit the firing chamber of a firearm …   Wikipedia

• Twist rate — is a gun term that refers to the rate of twist of a gun barrel s rifling grooves.Fact|date=February 2007It is usually expressed as a ratio of one twist per n inches or centimeters.For example, a 1:7 twist rate means one complete rotation in… …   Wikipedia

• Marlin Firearms — Company Type Subsidiary Industry Arms industry Founded 1870 Founder(s) …   Wikipedia

• North Carolina-class battleship — North Carolina steaming on 3 June 1946. By this time, many of the light anti aircraft weapons (Bofors 40 mm and Oerlikon 20 mm) mounted during the war had been removed, while more modern radars had been mounted on her forefunnel and mainmast …   Wikipedia

• AR-15 — The AR 15 comes in many sizes and has many options, depending on the manufacturer. The part shown bottom center is the lower receiver, which under US law is the component legally considered the firearm . Type …   Wikipedia

• Terminal ballistics — Terminal ballistics, a sub field of ballistics, is the study of the behavior of a projectile when it hits its target. It is often referred to as stopping power when dealing with human or other living targets. Terminal ballistics is as relevant… …   Wikipedia

• Caliber conversion sleeve — A number of different devices exist whose function is to non permanently alter a firearm to allow it to fire a different cartridge than the one it was originally designed to fire. These devices are called by many names, including caliber… …   Wikipedia

• Handloading — or reloading is the process of loading firearm cartridges or shotgun shells by assembling the individual components (case/shotshell, primer, powder, and bullet/shot), rather than purchasing completely assembled, factory loaded cartridges.… …   Wikipedia

• Musket — Muskets and bayonets aboard the frigate Grand Turk. A musket is a muzzle loaded, smooth bore long gun, fired from the shoulder. Muskets were designed for use by infantry. A soldier armed with a musket had the designation musketman or musketeer.… …   Wikipedia