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MEAN Endomag - review

Discussion in 'Gun accessories' started by The Lazy L, Oct 16, 2019.

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  1. Oct 16, 2019 #1

    The Lazy L

    The Lazy L

    The Lazy L

    Old Cowpoke Neighbor HCL Supporter

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    MEAN Endomag is a neat way (IMHO) of converting a standard GEN2 or GEN3 5.56 Pmag into a 9mm mag.

    My home range has a 3-gun competition limited to no rifle calibers. Berms, liability and etc.

    I bought a Palmetto 9mm upper with BCG. Using the lower from a customer build (I call the lower Frankenstein), now I have a rifle capable of chambering 9mm.

    During my search for a 9mm magwell adapter I ran across the MEAN Endomag conversion. Remove base plate, spring and followers from the Pmag and insert the Endomag and reuse the Pmag base plate. BINGO! I now have a 9mm Pmag to reinforce muscle memory but using cheaper 9mm ammo. WIN - WIN INMHO.

    MEAN explains how to exercise the BCG to slowly shave the conversions soft plastic lips to allow operation. In my case I had to use a sharp hobby knife. With little effort on my part I had two of the three conversions working reliably. The third conversion was shipped with deformed lips, the mold die hadn't been complete filled with material. A email to MEAN with and explanation and pictures and a week later I had a replacement. MEAN has a life time warranty.

    Off to the range I go. First time loading 30 rounds into the conversions. As expected the more round I loaded the more the spring was compressing. The 30th round took all of my effort with both thumbs to roll the 30th round into the mag. Then the mag would not lock into the mag well! If I lock the BCG rearward the the mag would lock, feed and fire with no problems. Experimenting I found if I load with no more than 20 rounds the mag would lock into the mag well with minimal effort. This 20 round limitation will work of the range's 3-gun. I'm disappointed in the limitation for TEOTWAWKI.

    I email MEAN and they respond by calling me. I'm the only customer that has reported this problem. When they learn I'm using GEN3 with windows they suggest that Pmag changed the Pmag's specs to allow for the window. Do I have other Pmags I can test with. Yes I do, I'll retest and email them the results.

    I tested GEN3 with windows, GEN3 without windows and GEN2 without windows. All three Pmag models will not allow the Endomag to lock into the mag well.

    For grins and giggles I swapped out the Frankenstein lower with a Ruger lower. All three Pmag models will still not allow the Endomag to lock into the mag well.

    I pointed out to MEAN that I have Lancer magazines that are designed to hold 30 rounds. BUT the Lancer will allow 31 rounds to be load BUT there is not spring compression left to allow it to lock into a mag well!

    MEAN emailed me back. They will call me this afternoon and have their design engineer on the call too.


    My Internet search found one reference to a Reviewer's quick mention of "if you don't load 30". Left a comment for the Reviewer for more information.
     
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  2. Oct 16, 2019 #2

    SheepDog

    SheepDog

    SheepDog

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    OK, so I convert my mags to 9mm, They won't chamber in my AR and the bullets are so big they won't go down the barrel. I think I just wasted my time and money. :(:rolleyes:
     
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  3. Oct 16, 2019 #3

    Sentry18

    Sentry18

    Sentry18

    Hired Gun Staff Member Moderator Neighbor HCL Supporter

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    It sounds like perhaps MEAN needed a little more testing before introducing their kits to the market.
     
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  4. Oct 16, 2019 #4

    SheepDog

    SheepDog

    SheepDog

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    Somebody tried to tell me I needed a new upper... I shoot my AR often and it is accurate and the bore looks new!
    I think I will stick to using 223/556 ammo until the barrel begins to show some wear. I still don't see what a new barrel will do to resolve the fit of the 9mm or how it can shrink a 9mm bullet down to 22 caliber.
    Maybe they need to show me...
     
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  5. Oct 18, 2019 #5

    The Lazy L

    The Lazy L

    The Lazy L

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    You lost me.
     
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  6. Oct 18, 2019 #6

    SheepDog

    SheepDog

    SheepDog

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    I am playing really stupid and doing it in fun. Anyone who has an AR should know that there are uppers for a number of different rounds including the 9mm. I was saying that the 9mm won't chamber in my (223/556) AR. Playing dumb can be funny.
     
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  7. Oct 18, 2019 #7

    The Lazy L

    The Lazy L

    The Lazy L

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    I got it now!
     
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  8. Oct 19, 2019 #8

    SheepDog

    SheepDog

    SheepDog

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    I'm happy!
     
  9. Oct 19, 2019 #9

    The Lazy L

    The Lazy L

    The Lazy L

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    Update

    MEAN marketing sent me a email stating thier engineer lefts a voice mail about wanting some specific pictures. I checked my phone, no VM. I advise marketing. Marketing states they will check on what's going on.
     
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