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Posted: 10/28/2004 12:47:31 PM EDT
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Ok, I am thinking about getting some headspace gauges. I think I definitely would get the No-go gauge, maybe the field. But from what I understand, can't you just see if a cartrigde will load instead of using a go gauge? or is this a problem because of differing sizes of cartridges? |
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A great place to start your headspace adventures is in Tweak's FAQ. He's got it covered... ar15.com/forums/topic.html?b=3&f=66&t=187101 |
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A cartridge will be able to load into a worn out barrel with too much headspace. Thus the reason for no-go and field gauges. Casing lengths can vary within certain tolerances. The Go gauge is at the bottom end of this tolerance range. I would like to know where I can purchase 5.56 NATO headspace gauges. I'd rather get the 5.56 gauges rather than .233 gauges, since I have a 5.56 chamber. M.L. |
I never could get a straight answer here so I would buy all 3 guages. Or just buy a complete upper. |
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Read this: 5.56 vs. .223. There is some info floating around out there explaining how the .223 headspace gauges don't accurately gauge a 5.56 chamber. There is a difference and if I find the info, I'll come back and post it. I use the military issue headspace gauge to check my 5.56 chambers. Here's some more info, but not what I was thinking of: Headspace Info |
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Check Brownells. I have a set of Clymer 5.56 Nato gauges. Go, No-Go and Field. They're 30 bucks a pop though. Clymer guages Scroll down. Part numbers are: Go #184-100-007 No-go #184-100-008 Field #184-100-009 |
XD_Fan, Thank you. I looked through the Brownell's catalog and didn't see these. I'll order some soon, just to be safe and to complete my AR15 tool kit. M.L. |
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