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Thread: 4140 CMV...4150 CMV...does it even matter?

  1. #11
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    It's a sellers market out their right now... take it for what it's worth.

    If they make it and have a name... it will sell.

    Quality is up to the end user these days.

  2. #12
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    We Dohn need no steekin' 4140 !

  3. #13
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    Quote Originally Posted by Col_Crocs View Post
    WS6, where did you find this info? Im curious as their site simply lists their barrels as CMV, which, to me meant it complied with the above chart. Not sure what the difference is between 4140cmv and 4150 cmv or where they stand compared to the given spec sheet but I'm of the opinion that most will likely never notice the difference. That said, I'm also of the opinion that there's no reason to "skimp" with the availability of options these days.

    ETA: If you look at the carbon content requirement under mil-B-11595E, the given range appears to be the average of both 4140 and 4150 CMVs. Based on WS6's charts, the only diff if we want to be real nit-picky, is .005% in phosphorous content. I'm no metallurgist but i dont know if that even matters.
    I am stunned. This morning, it said "4140 CMV". I did not imagine it. I did not dream it. I did not make it up. They are doing some quick-edits on that site. I remember DISTINCTLY that it said "4150 CMV" some weeks ago, and was shocked and confused to see "4140 CMV", and now, you're right, it just says "CMV". Well, you're going to have to take me at my word that I saw "4140 CMV", which prompted me to ask about it.

    ETA:

    I just received an E-mail from Joe Marler. I don't want to just cut/paste it because even though it's not "sensitive" in nature, I just feel dirty doing that. What it amounts to is that DD has made zero changes, he said they still use 4150 ordinance grade steel, except for the stainless MK12. Maybe someone messed up the website? I'll ask.
    Last edited by WS6; 02-10-14 at 22:37.

  4. #14
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    LOL! In that case, they're actually using neither?
    I wonder who's been editing that site. I've always thought their barrels were ORD 4150 as Joe says it is. I could be wrong but I believe it was even listed as so at one point.
    All that said, I hope you dont mind the thread drift but now I'm curious and I'm hoping someone in the know chimes in... Does that mean a 4140CMV may actually pass the requirement based on the range given in the milspec and the first chart, assuming all the provided data is correct?

  5. #15
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    Doesnt matter to me on a semi-auto...

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