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Old 10-14-2006, 11:58 AM   #1
 
Join Date: Sep 2006
Posts: 18
Changing bolts

If I swap bolts on my M1, I will have to gauge it with a Go-NoGo gauge, right? Where can I find one?
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Old 10-14-2006, 01:26 PM   #2
 
Join Date: Feb 2003
Posts: 220
You can order them right from Clymer. I would also get a Field reject gauge. This is what the armorers used in the field. The Go and No Go gauges are used primarily for head spacing new barrels.
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Old 10-14-2006, 05:29 PM   #3
JAS
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Join Date: May 2004
Location: Fremont, Ohio 13.6 miles from the north store
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At the very least you want a go and a field gage.

Your bolt MUST close on a go gage or you are risking an out of battery fire. That is a partially locked bolt that allows the firing pin to go forward and fire the cartridge. If you are lucky, you just chop a chunk out of the receiver locking lug recess surfaces and the mating surfaces on the bolt. If you are really lucky, you can stone the receiver and bolt surfaces enough to save the receiver and bolt. If you are not so lucky, the gun blows up. If you are really unlucky, you are maimed or killed when the gun blows up.

Your bolt MUST NOT close on a field gage. A bolt that closes on a field gage risks a case seperation. This usually blows up the stock at the very least and can get worse.

I like to have the nogo gage also. I feel better when a bolt closes on a go and will not close on the nogo, but the field is the final "nogo" check as far as safety is concerned. If you can only afford two gages, get the go and the field. If you can only afford one gage, don't be playing around with swapping bolts.
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Old 10-15-2006, 07:30 AM   #4
 
Join Date: Sep 2006
Posts: 18
Thanks again for the help. I will call Clymer tomorrow. What is the cost on the guages? If I could find somebody local that would be great, but I don't know of anybody in these parts who works on garands.
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Old 10-15-2006, 07:53 AM   #5
 
Join Date: Nov 2004
Posts: 33
Quote:
Originally Posted by possum_hunter
Thanks again for the help. I will call Clymer tomorrow. What is the cost on the guages? If I could find somebody local that would be great, but I don't know of anybody in these parts who works on garands.
Hello possum_hunter:

You can order the go-no go Clymer gages from the CMP

http://estore.odcmp.com/store/catalog/c ... ote5=&max=
http://estore.odcmp.com/store/catalog/c ... ote5=&max=

I don't believe that Clymer offers a field reject gage(http://clymertool.com/welcome.html).

Max
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Old 10-15-2006, 08:13 AM   #6
 
Join Date: Feb 2003
Posts: 220
Yes, Clymer does offer a Field reject gauge. I bought one from them along with the Go and No Go gauge.
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Old 10-15-2006, 11:35 AM   #7
 
Join Date: Sep 2006
Posts: 18
Thanks, always good help on this forum.
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