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Posted: 3/15/2011 5:35:43 PM EDT
I need help with a barrel marking. Barrel is a 20" barrel, barrel extension is marked with a C, barrel is marked with a V & P in a triangle with a upside down M partially over the triangle. A "12" marking just over and inch from the muzzle. Can anyone explain this?
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Posted: 3/15/2011 5:48:16 PM EDT
[#1]
from this thread:
http://www.ar15.com/forums/topic.html?b=3&f=123&t=241681 
A "12" marking was added just over and inch from the muzzle to differentiate it from the earlier barrels. Marking was used from 1963 till the Fall of 1967:
It would be correct for a 602 build |
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Posted: 3/15/2011 5:50:18 PM EDT
[#2]
Lusciousclay,
Ya just won the 'make us envious' award o' da day! 
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Posted: 3/15/2011 5:51:37 PM EDT
[#3]
My guess would be a '64 barrel with the "M" stamped upsidedown. Where did you find it? I've been looking for one of those for years...
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Posted: 3/15/2011 7:01:00 PM EDT
[#4]
Lots of people been waiting for one of those to come around. Real nice find. Think I'm about retro done but think I'll keep a 602 receiver just in case.
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Posted: 3/15/2011 7:36:53 PM EDT
[#5]
Hmmm. Looks like a forged FSB to me.
That would make it a late MVP. 1965 - 1966, so a bit late for a 602. Would be correct for an early 603 or 604. Well, it might squeek by for a very late 602 since I'm not sure exactly when the FSB switched to forged. |
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Posted: 3/15/2011 9:46:15 PM EDT
[#6]
Quoted:
Hmmm. Looks like a forged FSB to me. That would make it a late MVP. 1965 - 1966, so a bit late for a 602. Would be correct for an early 603 or 604. Well, it might squeek by for a very late 602 since I'm not sure exactly when the FSB switched to forged. I do spy a cast FSB barrel in the background though. 
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Posted: 3/16/2011 3:46:45 AM EDT
[#7]
Quoted:
My guess would be a '64 barrel with the "M" stamped upsidedown. Where did you find it? I've been looking for one of those for years... Vaar,I thought you were looking for a VP 602 barrel 
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Posted: 3/16/2011 6:26:31 AM EDT
[#8]
Quoted:
Quoted:
My guess would be a '64 barrel with the "M" stamped upsidedown. Where did you find it? I've been looking for one of those for years... Vaar,I thought you were looking for a VP 602 barrel
I was, but it's pretty frustrating just not finding anything, and when you do, you can't afford it. 
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