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Archived [ARCHIVED THREAD] - When to replace bolt due to lug wear?
Posted: 3/16/2006 7:36:58 AM EDT
The lugs on one bolt are getting just a little rounded on the sharp edges.  According to USMC TM it would not be a good idea to transfer this bolt to another [well-used?] barrel.  How much is too much wear??  266

ETA:  It seems as though the lugs on the barrel assembly hold up much better than the lugs on the bolt.

Link Posted: 3/16/2006 8:01:59 AM EDT
[#1]
When the bolt fails a field reject gauage.

Link Posted: 3/16/2006 8:13:40 AM EDT
[#2]
Quoted:
When the bolt fails a field reject gauage.


Next question:  Any place to get a good inexpensive one of these?

Link Posted: 3/17/2006 4:06:52 AM EDT
[#3]
M16 Max. Headspace Gage   nsn 4933-00-070-7814         part no. 7799734          cost    $30.00           Disassembly of bolt not needed, gage is cut for extractor and ejector clearance
FROM Bill Ricca

Archived [ARCHIVED THREAD] - When to replace bolt due to lug wear?
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