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-   -   Mystery MB mark? cmp 1911 (http://forums.thecmp.org/showthread.php?t=244232)

SirWilliam 04-07-2019 07:20 PM

Mystery MB mark? cmp 1911
 
Anyone have any insight as to what the MB on the slide and frame signify? Ithaca frame and slide, OB-84 electropencil near the trigger.

https://imgur.com/a/3kC5qcM

Thanks, Bill

thebearpack 04-07-2019 07:50 PM

Hi Bill.
That MB stamp has been observed before but as far as I know there has not been any consensus on its meaning. Still apparently a mystery.

Jakeroub 04-07-2019 07:53 PM

What does the OB stand for? Overhaul Barstow? Maybe the B in M-B is for the same?

DDRode 04-07-2019 08:01 PM

According to "shooter5" on 1911.COM...

"MB" is a MPI inspection stamp!!!

SEE: https://forums.1911forum.com/showthread.php?t=976754

Another "MB" discussion on GUNBOARDS (with "shooter5" still insisting he knows what he knows)...

SEE: https://forums.gunboards.com/showthr...s-LEAD-arsenal

:D

Gewehr43 04-07-2019 10:00 PM

Ok......I guess I'm curious.
If "MB" is for Magnetic Particle inspection, then why isn't it "MP?"
That is how they are marked on USGI M16 barrels and bolts.
So they spelled it correctly on the rifles but not on pistols?????
I can see it's some sort of inspection mark but not that.

BTW..... both those links end up having the same source (Shooter5) giving his thoughts.
I understand his point but, again, his thoughts were this (the MB marking) may have been done in the 70-80's.
The M16's in the 60's were marked "MP" so if it's the same..... why would it change for the 1911?
Again.... just my WAG but I don't think it's Magnetic Particle inspection.

thebearpack 04-08-2019 08:25 AM

Quote:

Originally Posted by Gewehr43 (Post 1822636)
BTW..... both those links end up having the same source (Shooter5) giving his thoughts. I understand his point but, again, his thoughts were this (the MB marking) may have been done in the 70-80's.

Again.... just my WAG but I don't think it's Magnetic Particle inspection.

I agree. It certainly could be the case but one person's anecdote doesn't prove anything.

DDRode 04-08-2019 09:28 AM

Quote:

Originally Posted by thebearpack (Post 1822676)
I agree. It certainly could be the case but one person's anecdote doesn't prove anything.

I provided those links just for the hell of it!!!

CUZ...

http://www.quickmeme.com/img/4f/4f0e...c0846a2b16.jpg

ACTUALLY...

I kinda think it stands for either MEGABYTE or MILTON BRADLEY!!!

:D

BobJ50 04-08-2019 09:53 AM

To quote Judge George Jessel: "I may be wrong, and often am, but never in doubt."
Not directing this quote at anyone posting in this thread, but rather the Olde Wives Tales that take on a life of their own with some folks that do post in the Forums. For example, "The 5.5 Velo-Dog was the finest pistol ever created by man!"; "Adolf Hitler shot himself with an M1 Carbine that he took off Audie Murphy!"
You get my drift. If it is on the Internet, it got to be true.

Youngeyes 04-08-2019 10:25 AM

Wait,wait....What!?? Hitler DIDNT shoot himself with an M1? WTF?

BobJ50 04-08-2019 10:45 AM

As I recall, the .30 carbine just nicked him, so Borman finished him off with Georgie Patton's M1 [captured at Bastogne during the Bulge]. Don't know why I forgot that!
Then, I think that his adjutant, Gunsche, did the coup de grace with a M1911A1 that will be sold at the CMP auction the end of this year! It supposedly has "Blood Rust" [remember those descriptions for "RUST" especially if it was a rusty RUSTY Luger or P-38]?
Six months from now, someone will be quoting and posting this thread.
*Adolph tried to put his toe in the trigger guard of the carbine, but failed to take his socks off; so he was a bit sloppy with the shot.


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