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Posted: 3/15/2011 4:35:43 PM EST
[Last Edit: 3/15/2011 7:17:52 PM EST by Lusciousclay]
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?
Link Posted: 3/15/2011 4:48:16 PM EST
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
Link Posted: 3/15/2011 4:50:18 PM EST
Lusciousclay,

Ya just won the 'make us envious' award o' da day!
Link Posted: 3/15/2011 4:51:37 PM EST
[Last Edit: 3/15/2011 4:52:25 PM EST by VAAR]
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...
Link Posted: 3/15/2011 6:01:00 PM EST
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.
Link Posted: 3/15/2011 6:36:53 PM EST
[Last Edit: 3/15/2011 6:42:20 PM EST by TexSquirrel]
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.
Link Posted: 3/15/2011 8:46:15 PM EST
Originally Posted By TexSquirrel:
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.
Link Posted: 3/16/2011 2:46:45 AM EST
Originally Posted By VAAR:
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

Link Posted: 3/16/2011 5:26:31 AM EST
Originally Posted By m1sniper:
Originally Posted By VAAR:
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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