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| < 16ga. Guns ~ Measuring chamber length |
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Sun Jan 14, 2007 5:36 am
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Joined: 28 Dec 2005
Posts: 2016
Location: Glendale, AZ
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This topic comes up all the time and this just might work 
From a poster on the LCSCA forum:
I read of a way to measure the chamber length without using fancy tools. Take a piece of 3"x5" index card, roll it lengthwise, slide it into the chamber, it will expand to chamber diameter, gently slide it until it stops, Mark on the end with a pencil and repeat steps to see if it comes to same spot. Then measure length. |
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Drew Hause
http://sites.google.com/a/damascusknowledge.com/www/home |
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Sun Jan 14, 2007 8:16 am
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Joined: 13 Jan 2007
Posts: 5
Location: Minnesota
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That's a good idea. It should stop when it hits the forcing cone. Good idea to do it twice, just to be sure. I just had that situation and was fortunate enough to find a smithy with a gauge and he didn't charge me anything. Your idea is portable....great way to find out right on the spot if you are at a show or a sale. Thanks
cookiemann |
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Sun Jan 14, 2007 10:16 am
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Joined: 03 Jul 2005
Posts: 370
Location: Amarillo, Texas
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Great tip Drew. I never heard of that before and it probably is better than using the Brownell's gauge.
Thanks!
Mike |
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NEVER trust a dog to watch your food. |
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Sun Jan 14, 2007 2:51 pm
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Joined: 26 Apr 2005
Posts: 743
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| The gauge that Galazan makes will measure any gauge shotgun, and will fit right in your pocket. |
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Sun Jan 14, 2007 5:01 pm
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Joined: 31 Oct 2005
Posts: 446
Location: Wisconsin
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| Larry Brown wrote: |
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The gauge that Galazan makes will measure any gauge shotgun, and will fit right in your pocket.
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I carry the Galazan Chamber Gauge set with me to every Gun Show. The one I have consists of a threaded rod and collets for 10 thru 28 gauge. The rod is marked for the different lenghts. Simply thread on the appropriate collet and insert into chamber.-Dick |
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Tue Jan 16, 2007 8:38 am
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Joined: 01 Jan 2007
Posts: 1043
Location: Bozeman, MT
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I used the Galazan gauge for 5 years straight all the time, took it to UK on buying trips, etc, it is a great, accurate device....I need to get a new one, I left it with the shop when I sold out,
Duncan |
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"Life is what happens to you while you're making other plans"....... anonymous |
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Tue Jan 16, 2007 10:04 am
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Joined: 01 Dec 2006
Posts: 524
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| You can also cut a credit card in the shape of a "T" then just make sure the long end of the "T" is 2 3/4 long and the exact width of the chamber if the chamber is short the "T" will stop early. The only problem I can possibly think of with this method is that you haave to have the width of the chamber just right so it can slip through, but stop at the cone. I tried it on my Sterlingworth and it worked perfectly. |
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Tue Jan 16, 2007 12:34 pm
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Joined: 25 Jul 2006
Posts: 781
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The credit card trick has been around a while.
The best thing about it is you can carry it in your wallet and when you find that interesting gun in a pawn shop your prepared.
Jeff |
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Tue Jan 16, 2007 1:35 pm
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Joined: 27 Aug 2006
Posts: 596
Location: Massachusetts
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| Jeff Mulliken wrote: |
The credit card trick has been around a while.
The best thing about it is you can carry it in your wallet and when you find that interesting gun in a pawn shop your prepared.
Jeff
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so how do you get the mag strip on the card to be the center of the T or do I need another card when I find the right gun? |
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Tue Jan 16, 2007 5:59 pm
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Joined: 25 Jul 2006
Posts: 781
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Sorry...for you slow learners I'll type this really slooooow.
Cut up your wifes credit card to make a bore gauge, she wont miss it. 
Keep your card handy for that special purchase. 
Jeff |
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Wed Jan 17, 2007 11:06 am
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Joined: 03 Jan 2007
Posts: 186
Location: Salem, Oregon
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| revdocdrew wrote: |
This topic comes up all the time and this just might work
From a poster on the LCSCA forum:
I read of a way to measure the chamber length without using fancy tools. Take a piece of 3"x5" index card, roll it lengthwise, slide it into the chamber, it will expand to chamber diameter, gently slide it until it stops, Mark on the end with a pencil and repeat steps to see if it comes to same spot. Then measure length.
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Doc,
Just tried it on both chambers of my 16 Nitro Spl, and it works like a charm. Don't expect a hard stop, but more of a gradual resistance. Do it a couple times and then mark it. Likely it will measure very slightly longer than the actual chamber length, but only a 16th or so if done carefully.
Thanks,
Marc |
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Wed Jan 17, 2007 11:15 am
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Joined: 01 Dec 2006
Posts: 524
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I like the credit card because it stops abruptly -no guessing involved.
And if you use your wife's the spending may stop abruptly too. |
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| Posted:
Wed Jan 17, 2007 11:17 am
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Joined: 28 Dec 2005
Posts: 2016
Location: Glendale, AZ
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Marc: I tried it out also and it worked great IF the chamber is clean AND I used a fresh 3X5 card after 2-3 measurements. The increase in resistance is pretty easy to appreciate even for someone mechanically challenged like myself 
"Cut up your wifes credit card to make a bore gauge, she wont miss it."
Right-I'd try that and likely end up missing some pretty important body parts  |
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Drew Hause
http://sites.google.com/a/damascusknowledge.com/www/home |
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