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Thread: New (1965)model winchester m70 heavy barrel target still in box

  1. #16
    Join Date
    Apr 2008
    Location
    Cloudcroft, NM
    Posts
    676
    Quote Originally Posted by glp View Post
    from the Shilen website: I wouldn't sell a good Winchester 30 cal just because it had a 1=12 barrel, but that's just me.

    .308
    - 7" * for heavy VLD bullets and/or subsonic ammo.
    - 8" for bullets heavier than 220 gr.
    - 8" Ratchet rifled 4 groove
    - 10" for bullets up to 220 gr.
    - 10" * Ratchet rifled 4 groove
    - 12" for bullets up to 170 gr.
    - 13" * Ratchet rifled 4 groove
    - 14" * for bullets up to 168gr.
    - 15" * for bullets up to 150 gr.
    - 17" * for bullets up to 125 gr.
    Agreed. I have several 30's I hunt with and built them on a 14" twist. I shoot up to 165 grain bullets for deer hunting.

    Michael

  2. #17
    Join Date
    Nov 2006
    Location
    ME
    Posts
    1,675

    Mike

    Quote Originally Posted by mturner View Post
    Agreed. I have several 30's I hunt with and built them on a 14" twist. I shoot up to 165 grain bullets for deer hunting.

    Michael
    perceptions regarding twist rate vary I guess

  3. #18
    Join Date
    Feb 2003
    Location
    Poetry, Tex.
    Posts
    6,439
    Quote Originally Posted by glp View Post
    perceptions regarding twist rate vary I guess

    A few years ago I purchased a pre64 Palma rifle barreled action. The fellow said he was shooting 200grn bullets. It is a Obermyer 11.25 twist and in 30 cal. Being a long barrel I cut the chamber off and had it recontoured in a Shilen #4 contour. It has been on the shelf for at least 10-15yrs. I'll find a need for it someday.

  4. #19
    Join Date
    Dec 2007
    Location
    Brisbane, Australia
    Posts
    2,348
    Quote Originally Posted by glp View Post
    perceptions regarding twist rate vary I guess
    Outcomes too. Those Palma guys have a lot to answer for.

  5. #20
    Join Date
    Nov 2006
    Location
    ME
    Posts
    1,675

    A lot of things

    Quote Originally Posted by John Kielly View Post
    Outcomes too. Those Palma guys have a lot to answer for.
    can work to dictate twist rate...temperature, elevation....but I still wouldn't sell a model 70 with a 12 twist barrel unless I need or wanted to shoot long for caliber bullets in conditions that rate wouldn't deal with. Having shot a lot of CF score benchrest I have no desire to go back to the 14 twist rate that was gospel just 20-25 years ago. For a 125 gr bullet or lighter(1" jacket) 17 is just fine in my shooting environment and the rifle sure as ell kicks and torques less in the bags...much more pleasant to shoot and I think conducive to better results.
    Last edited by glp; 12-08-2019 at 10:18 AM.

  6. #21
    Join Date
    Dec 2019
    Posts
    1

    liteblue

    The earlier posting about the checkered 225 of dubious quality got me wondering so I looked farther. USPS Liteblue is a U.S. Government website intended for authorized use only by Postal Service employees.

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