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Thread: Serial number to twist rate?

  1. #1
    Join Date
    May 2004
    Posts
    295

    Serial number to twist rate?

    I have a older model 70 Win that is a 6mm Rem. is there a way to tell the twist rate put out by the factory related to the serial number? I can and will get the correct twist myself, I am just curious.

    thanks,


    Ron Tilley

  2. #2
    Join Date
    May 2011
    Posts
    104
    9" twist.

  3. #3
    Join Date
    Feb 2003
    Location
    Alaska
    Posts
    277
    OEM Win 70 243/6mm bores were 1:10" twist.

    Attempting to push a 90gr + weight projectile out of a Winny Bbl will produce patterns not groups.

    The same hold true for the 244 Rem & 7mm Express Bbls -light varmint projectiles only.

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