GROOVE THING

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by texas, Jan 18, 2003.

  1. texas

    texas Well-Known Member

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    Hear about 3,4,5,6,7,8 and 9 grooves in a barrel what determines how many you need?

    Also does one give better accuracy over the other? And finally in way way do the number of grooves effect the twist rate?

    Hopefully this will help someone else out that may have been wondering the same thing.
     
  2. RBrowning

    RBrowning Well-Known Member

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  3. 4mesh063

    4mesh063 Well-Known Member

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    It means nothing. The number of grooves is mostly set by the way in which they are put in. Some are swaged, some are cut, others are forged.


    The Twist rate has nothing to do with the # of grooves/Lands. It is a number of inches that the bullet travels to turn 1 time. Ie, A 1:11 twist is a full rotation in 11"