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Thread: Twist Rate In Mosin Barrel

  1. #1
    Join Date
    Dec 2008
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    Default Twist Rate In Mosin Barrel

    What is the twist rate for a Mosin barrel ? Just curios.

  2. #2
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    Jun 2008
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    South Texas
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    All Mosin-Nagant rifles have a rate of twist of 1 turn in 9.449 inches, or 9 1/2-inches basically. The Finnish M28/30 had a rate of twist of 1 turn in 10.236 inches. Both Soviet and Finnish rifles were measured in metric.

  3. #3
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    That would explain there love for the heavies. I find a lot of my MN's shoot the heavy ball very well-SDH

  4. #4

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    Quote Originally Posted by sdh1891 View Post
    That would explain there love for the heavies. I find a lot of my MN's shoot the heavy ball very well-SDH
    That's what Ive been thinking on the way to go w/ my 91/30. 1942 Izhevsk "Oksana". It seems like everyone who shot the heavy surplus ammo really raves about it versus the 147gr stuff thats out there now. Anyone know of a good supply of heavy weight rounds? I want to start reloading and would appreciate any info on the heavier bullets, powder, and cases someone might have found to work well in their MN.

  5. #5

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    Mosin Nagant rifles are inch pattern. Any dimensions found in metric are conversions.

  6. #6
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    Jun 2008
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    South Texas
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    +1. Thanks. What I meant was that Finland and the USSR employ the metric system, so that publications from the two would use mm rather than 9 1/2-in.

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