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twist of rifling

См. также в других словарях:

  • 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

  • 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 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

  • Twist — Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster] Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal s way of life than… …   The Collaborative International Dictionary of English

  • Twist drill — Twist Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster] Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal s way of life… …   The Collaborative International Dictionary of English

  • Rifling Methods —    1. broach, gang a tool having a series of cutting edges of slightly increasing height used to cut the spiral grooves in a barrel.    2. broach, single a non adjustable rifling cutter which cuts all of the grooves simultaneously, and is used in …   Forensic science glossary

  • twist — verb 1》 form into a bent, curled, or distorted shape.     ↘turn or bend round or into a different direction.     ↘force or be forced out of the natural position by twisting: he twisted his ankle playing tennis. 2》 rotate around something that… …   English new terms dictionary

  • Gain twist — Twist Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster] Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal s way of life… …   The Collaborative International Dictionary of English

  • Gaining twist — Twist Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster] Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal s way of life… …   The Collaborative International Dictionary of English

  • Uniform twist — Twist Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster] Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal s way of life… …   The Collaborative International Dictionary of English

  • rate-of-twist —    The distance required for the rifling to complete one revolution …   Forensic science glossary

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