Remington 700 .308 to .243 conversion
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  1. #1
    Junior Member
    Join Date
    Apr 2019

    Remington 700 .308 to .243 conversion

    I have a Remington 700 SPS chambered in 308 Win. I am currently building an AR-10 in 308 simply because I miss shooting my old service rifle (M110) from the military. I don't see any reason in having two rifles chambered in 308, so I was thinking about selling the bolt gun or trading it for something chambered between my current AR-15 in 5.56 and my current AR-10 build in 7.62. After reading a little bit I realized that the 243 Win has the same parent case as the 308 Win. Can I just re-chamber my Remington 700 to 243 by simply just re-barreling it? Keeping the action and bolt the same?

  2. #2
    Member DRAGON64's Avatar
    Join Date
    Nov 2013
    The 243 Win does use the same bolt face as the 308, so re-barreling with a quality barrel might be a good option all around, especially if you like the rifle as is.

  3. #3
    Senior Member rkittine's Avatar
    Join Date
    Sep 2014
    Sag Harbor, New York
    Welcome to the Forum. Where are you located?

    As D64 said you can rebarrel and rechamber with anything that has a bolt face of .473 as is the case for the .308, so yes a .243, especially an Ackley Improved, .243AI might be nice depending on what you want to do with it. A good Custom Barrel, Kreiger etc., will run you about $320.00 for the barrel blank and expect to pay around $250.00 for it to be chambered, crowned and installed. You could also do, 6mmBR Norma or a .25 caliber on a .308 case etc. Then there is the 6.5x47 Lapua. the 6x47 Lapua, 6 or 6.5 CM and others. Lots of options depending on what kind of shooting you want to do and if you hand load or not.

    If you are going to use a magazine (most of my precision rifles are single shot) then you have to be more careful about cartridge selection and the .243 is certainly an excellent choice.

    Last edited by rkittine; 04-26-2019 at 07:17 AM.
    Robert Kittine
    Sag Harbor and Manhattan, New York

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  5. #4
    Junior Member
    Join Date
    Mar 2019
    Following!this seems like a very interesting thread


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