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Thread: weatherby mk5

  1. #1

    weatherby mk5

    Hi peeps,
    I've got a mk5 synthetic in 22-250, tack driver with hornady factory loads!! Just wondered how to find out the barrel twist on it, looking to start handloading and wanted to know if it would stabilise 60 gn loads for longer range day work.

    Thanks.

  2. #2
    Quote Originally Posted by bighoof View Post
    Hi peeps,
    I've got a mk5 synthetic in 22-250, tack driver with hornady factory loads!! Just wondered how to find out the barrel twist on it, looking to start handloading and wanted to know if it would stabilise 60 gn loads for longer range day work.

    Thanks.
    If you can't find it elsewhere:
    Draw a pencil line down the side of your cleaning rod with a straight edge. Put on a jag with a tight patch. Insert in the bore and push. When the pencil line comes to the top make a mark that spot at the muzzle on the rod and put a witness mark on the muzzle at the rod line. Push the rod in slowly til the line comes around to the witness mark on the muzzle again. Mark the rod/line at that spot. Remove the rod. Measure the distance between the pencil marks on the rod. That's your twist.~Muir

  3. #3
    brilliant, thankyou very much.

  4. #4
    Current and late model Mk V Varmint ( Super) .22-250s are mostly 1:14. Some earlier rifles were 1:12.
    Because of the speed, either one will stabilize 50, 52, 53, 55, and a bit heavier very well. Don't write the heavier bullets off until you try them, because of the variation in length and bearing surface; it is not all about weight.

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