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Thread: Coned breech with standard r700 bolt

  1. #1
    Join Date
    Apr 2010
    Location
    Escondido, Ca via Ohio
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    24

    Coned breech with standard r700 bolt

    I've read about using a standard Remington bolt in conjunction with a coned breech. Any pointers? I would just bust one out, but that whole measure twice cut once thing haunts me.

    Am

  2. #2
    Join Date
    Sep 2003
    Location
    Gastonia, NC
    Posts
    854
    It doesn't work with a standard Rem bolt. I've done it after installing a Sako extractor but even then it works best for PPC and smaller cases.
    Last edited by Dave Tooley; 07-02-2018 at 08:00 AM.

  3. #3
    Join Date
    Feb 2003
    Location
    Houston, Texas
    Posts
    6,953
    If you have a coned bolt barrel and want to screw it into Remington Action, (assuming it's a 1 1/16 16 TPI), you have to chuck the barrel up and establish the counterbore for the nose of the Remington bolt.

    Back when Stiller brought out his drop port, I bought one for my Rail Gun, which had a standard L/R Stiller Viper on it, with the 30 degree cone. I had several good barrels for the Rail, so I just machined them to where the Stiller Drop Port Bolt, ( which has a Remington style nose), would fit.

    Now, you could machine the end of the barrel flat, resulting in a .100 short tenon. I don't think that is a good idea, as the thread is already kind of short. Plus, not sure how well it would feed.

    Keep in mind, all of this does defeat the safety feature of the Three Rings Of Steel that is part of the Remington design.

    Here is what the Coned Bolt Barrels of the Rail Gun Barrels looked like after machining them to accept a Remington style nose.

    http://benchrest.com/attachment.php?...1&d=1530539051
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    Last edited by jackie schmidt; 07-02-2018 at 09:51 AM.

  4. #4
    Join Date
    Apr 2010
    Location
    Escondido, Ca via Ohio
    Posts
    24
    Jackie,

    That's how I've done a few in the past, recess incorporated with the cone. So there's no real way, without bolt modification, to fully cone the face...I can live with that.

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