User Panel
User Panel
User Panel
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Posted: 10/13/2004 10:39:59 AM EDT
[#1]
You can do it - no problem. However, you will accelerate the wear of the bolt & locking lugs. Check headspace with a USGI Field Gauge everytime you switch to ensure safety.
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Posted: 10/13/2004 10:49:13 AM EDT
[#2]
I posted this in another thread but figured I would ask here to since people where on the subject.
I am taking my barrel off my upper in order to thread it, do I need to check headspacing when I reassemble it? (Its a chrome lined Bushy Barrel if that matters.) |
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Posted: 10/13/2004 12:08:58 PM EDT
[#3]
I raised this very question in an earlier thread because the USMC tech manual for the M16 warns repeatedly not to swap bolts from one rifle to another or in this case from one upper to another. One of the members who replied to my questions cited an example of perhaps moving the bolt from a hi milage barrelel upper to a low mileage barrled up could cause head space problems and lead to a KB.
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Posted: 10/13/2004 1:03:14 PM EDT
[#4]
Forest, where do I get a GI gauge?
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Posted: 10/13/2004 1:34:16 PM EDT
[#5]
No you don't need to recheck headspace. Headspace is determined by the barrle extension's interface to the bolt. So as long as you are using the same bolt & barrel the headspace doesn't change. |
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Posted: 10/13/2004 1:35:15 PM EDT
[#6]
I bought mine from Fulton Armory. It comes in a foil pouch with a calibration card. Not only is the GI gauge the proper size for the M16 chamber - but it doesn't require you disassemble the bolt (like the civilian gauges do). |
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