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Thread: 6mm BR Chamber neck diameter

  1. #1
    bpratl
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    6mm BR Chamber neck diameter


    I am in the process of setting up to reload for 6mm BR norma and would like to know what the neck chamber on the Shilen and McGowen barrels are reamed to.

  2. #2
    Team Savage
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    Re: 6mm BR Chamber neck diameter

    Depends on what reamer spec you ask for. Standard "no turn" would be .272. Some folks like the neck measurement a little tighter, like .271. You build it the way "you" want it.
    Oz never gave nothing to the Tin Man, that he didn't already have.

  3. #3
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    Re: 6mm BR Chamber neck diameter

    Mcgowen is .272
    112,223,choate uv,nikon 6-18<br />lrpv,204,hs stock,sightron S3 6-24x50<br />12 target,McGowen 6mmbr,SSS hbr,Sightron S3 8-32<br />Mark II,22lr,thumbhole,Tasco 6-24x40<br />11 youth,243,Simmons 2.5-10x50<br />116fcss 30-06<br />12fv,204,VX-3 4.5-14x50

  4. #4
    Team Savage
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    Re: 6mm BR Chamber neck diameter

    Got two Shilens (.272) One Douglas (.272) Two Pac Nors (.272). You get what you ask for or "what they have" on the shelf. Get it the way "you" want it.
    Oz never gave nothing to the Tin Man, that he didn't already have.

  5. #5
    Team Savage Apache's Avatar
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    Re: 6mm BR Chamber neck diameter

    Personally, I like the tight neck jobs. It just seems to be a bit more consistent accuracy wise for me.

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