one turn of rifling

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• 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

• 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

• Armstrong Gun — The Armstrong Gun is a type of large rifled gun first manufactured in England in 1855. It was designed by Sir William Armstrong and manufactured by the Elswick Ordnance Company and the Royal Arsenal at Woolwich.HistoryIn 1854 Armstrong approached …   Wikipedia

• Martini-Henry — Mk I–IV Type Service rifle Shotgun (Greener Prison Variant) Place of or …   Wikipedia

• M249 light machine gun — Machine Gun, 5.56 mm, M249 M249 Para Type Squad automatic weapon/Light machine gun Place of
  …   Wikipedia

• Joseph Whitworth — Infobox Engineer image size = caption = Sir Joseph Whitworth name = Sir Joseph Whitworth nationality = British birth date = December 21 1803 birth place = Stockport death date = January 22 1887 death place = Monte Carlo education = spouse =… …   Wikipedia

• .22 Hornet — Infobox Firearm Cartridge name= .22 Hornet caption= .22 Hornet with Hornady convert|40|gr|abbr=on VMax bullet origin= USA type= Rifle service= USA used by=Army wars= WWII designer= Townshend Whelen / G. L. Wotkyns design date=1920 s manufacturer …   Wikipedia

• artillery — /ahr til euh ree/, n. 1. mounted projectile firing guns or missile launchers, mobile or stationary, light or heavy, as distinguished from small arms. 2. the troops or the branch of an army concerned with the use and service of such weapons. 3.… …   Universalium

• Internal 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… …   Wikipedia

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