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Best Barrel Wall Thickness Gauge?

Discussion in 'Shooting Related Threads' started by esetter, Sep 6, 2011.

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  1. esetter

    esetter Active Member

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    What is the best and easiest to use, gauge to measure barrel wall thickness on shotguns?
     
  2. goatskin

    goatskin TS Member

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    'Best' and 'Easiest to use' may be in conflict ...

    I am very happy with the Manson, which I got from Midway? Brownells? 100yrs ago.

    It is very good for quick-and-dirty, and better for 20bore and larger.

    For getting true concentricity, and a deep(er) throat (and for 28 & 410) you need a stand gauge with mandrels. I know Galazan has them and I'm sure other places as well.

    Bob
     
  3. GunDr

    GunDr Well-Known Member

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    We used something similar to these while I was at Kolar Arms.....

    http://www.abqindustrial.net/store/wall-thickness-gauges-c-2.html?gclid=CKfjiq-ViqsCFYdrKgodq3VhwQ
     
  4. esetter

    esetter Active Member

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    Those are really neat but I didn't want to spend $850 and up on one if I can find one a little more reasonable. Those certainly look easy to use though.
     
  5. GunDr

    GunDr Well-Known Member

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    They work really slick. You needed to dab a little juice to the prode and you could easily read a bbl from muzzle to breech in less than a minute.
     
  6. eightbore

    eightbore Well-Known Member

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    Manson gauge, a hundred bucks.
     
  7. esetter

    esetter Active Member

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    Ordered the Manson set from Brownells and we'll see if it works.
     
  8. esetter

    esetter Active Member

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    received the Manson set from Brownells and I have to say I'm not happy with it. I can get an accurate measurement a few inches into the barrel but then it is impossible for me to not put side pressure on the barrels giving me an inaccurate reading. I don't know if they will take it back but I'm going to try to send it back to them. I'll spend the big bucks and get something that I can actually use.
     
  9. goatskin

    goatskin TS Member

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    Gerry, you can improve accuracy, repeatability and reliability with a spirit level atop the Manson and chucking the barrel perfectly vertical in a vice, but you're right, it can get a little wobblier than one would prefer.

    The mandrels-on-a-stand jobbies are better, but those electronic jobbies are just awesome looking and are prolly more worth $1000 that the stand jobbies are worth $500.

    Bob
     
  10. 4andy10

    4andy10 Member

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    why the need to ckeck wall thickness to 3 inches deep. A starrett,mitytoyo,or brown& sharp ball mic which can be bought on Ebay would tell you all you need to know. If that doesn't work please send it to me, I will gladly put it on the Sheffield CMM measureing machine at work. Still think 3 inches is overkill. Keith
     
  11. esetter

    esetter Active Member

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    Not when dealing with older guns that can get a dent in the barrel that is raised and then filed smooth. You can get thin spots and that is where they will blow.
     
  12. eightbore

    eightbore Well-Known Member

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    esetter, are you using the vertical method, hanging the barrels? I have been taught a much better method, using the gauge horizontally. There is no way to use a wall thickness gauge accurately unless you are willing to support the barrels. The vertical method is admittedly not the way to do it. I will tell you how to do it.
     
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