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Thread: NEW Comparison Chart of Commercial M4 Pattern Carbines

  1. #61
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    M4 Chart

    Thanks for the new and improved chart Rob, defiantly come in handy. Admitting that I know very little about true specs on a go to war gun. Mine are used for range shooting and dispatching small critters. As for manufactures that would not reply, may say something about there weapons.

  2. #62
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    Quote Originally Posted by mat10x View Post
    thx for the work rob. great chart!

    2 comments/observations...

    1 - the old chart for Noveske, under HPT bolt, had it listed as "Batch" tested. this new chart has it as "None". is noveske not batch testing any longer?

    2 - For Noveske, the feedramps are not true M4 sized feedramps. they are much shorter as compared to longer cut colt, bcm, lmt feedramps. should this difference be listed? they are actually noted as "extended feed ramps", not M4 feedramps on the Noveske website.
    http://noveskerifleworks.com/cgi-bin...since=&status=
    Would this be a cause for concern if I was to get an Noveske SBR upper to use on my COLT LE6920 lower?

  3. #63
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    Quote Originally Posted by Logicalpath View Post
    Would this be a cause for concern if I was to get an Noveske SBR upper to use on my COLT LE6920 lower?
    should be fine. i have an noveske recce upper on an LMT lower. works great. there's a lot of info on M4 feedramps on this site. the history of them etc.

    todd from noveske had told me via email long time ago that they use the same "extended feedramps" on their full auto guns as their semi auto.

    in addition, a gentleman from AR15barrels.com had also told me that one really only needs the feedramp to extend onto the first few millimeters of the upper receiver, as the magazine when inserted in the magwell does cover over a portion of the lower part of the M4 feedramp.

    although i've always wondered why noveske would not simply make the standard M4 feedramps as per colt, lmt, bcm, and dd.

    at any rate....works great. never heard of any issues, as i researched it quite a bit before i bought mine.

  4. #64
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    Quote Originally Posted by mat10x View Post
    should be fine. i have an noveske recce upper on an LMT lower. works great. there's a lot of info on M4 feedramps on this site. the history of them etc.

    todd from noveske had told me via email long time ago that they use the same "extended feedramps" on their full auto guns as their semi auto.

    in addition, a gentleman from AR15barrels.com had also told me that one really only needs the feedramp to extend onto the first few millimeters of the upper receiver, as the magazine when inserted in the magwell does cover over a portion of the lower part of the M4 feedramp.

    although i've always wondered why noveske would not simply make the standard M4 feedramps as per colt, lmt, bcm, and dd.

    at any rate....works great. never heard of any issues, as i researched it quite a bit before i bought mine.
    Thanks.

  5. #65
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    Quote Originally Posted by Sidia View Post
    Another "Thank you" from me to add on.

    I've only one request about the chart. It runs quite long from left to right and discerning which line is what manufacturer gets confusing for the long-term memory challenged. Maybe insert the "Company Name" column between the major columns, such as between "Bolt & Bolt Carrier" and "Barrel and Upper Receiver".

    Nice work!
    I second this. I kept swiping back and forth with my finger on my iPad because I wouldn't know which name was where once I got in the middle and right side of the Chart. It'd be really nice to have the company names in each subsequent column of it. Maybe just abbreviations of some sort?

    Anyways, THANKS for all your hard work on this, brother Rob!!!
    S/F
    Paul

  6. #66
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    Quote Originally Posted by mat10x View Post
    1 - the old chart for Noveske, under HPT bolt, had it listed as "Batch" tested. this new chart has it as "None". is noveske not batch testing any longer?http://noveskerifleworks.com/cgi-bin...since=&status=
    I noticed this as well. Does noveske really not test the bolt at all?

  7. #67
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    Quote Originally Posted by RetreatHell View Post
    I second this. I kept swiping back and forth with my finger on my iPad because I wouldn't know which name was where once I got in the middle and right side of the Chart. It'd be really nice to have the company names in each subsequent column of it. Maybe just abbreviations of some sort?

    Anyways, THANKS for all your hard work on this, brother Rob!!!
    Eventually the top and left sides will remain fixed, and the body of the document will scroll inside them, like an excel spreadsheet. Remember that this was rushed to "print" just a bit.

  8. #68
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    Quote Originally Posted by Hayden Billick View Post
    I noticed this as well. Does noveske really not test the bolt at all?
    Remember that the Chart was populated by responses from the manufacturers themselves. This is not a situation where I ask a question, interpret the answer, and insert the results. This is a situation where the manufacturer answers a question on an online form, the answer automatically appears in the draft chart, and is copied over to the published version.

    There may, of course, still be typos on their part.
    Last edited by rob_s; 06-13-11 at 06:35.

  9. #69
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    Just got an email from Mark Westrom. The original guy I was corresponding with at Armalite is no longer there, and Mark is taking a look at the questionnaire for me. He pointed out that their model line and options make it difficult to pick and choose for a matrix.

    I can sympathize with this from the manufacturer's perspective. The thing I have to remind them of is that the goal here is to represent what the average consumer is likely to find on a shelf at a gun shop or on a table at a gun show. In hindsight what I should probably have done is have each manufacturer choose the model they sell the most of to distributors (RSR, Accusport, Jerry's, etc.) and use that as the baseline to fill out the Chart.

    I'm not terribly disappointed in the way it's headed now though. Buyers just need to make sure they educate themselves. You can't simply say "oh, I saw this brand on the Chart, I'm going to buy one of these" without paying attention to the model.

  10. #70
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    Quote Originally Posted by rob_s View Post
    Eventually the top and left sides will remain fixed, and the body of the document will scroll inside them, like an excel spreadsheet. Remember that this was rushed to "print" just a bit.
    Cool. I like that.
    “Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.” Khalil Gibran

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