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  1. #1
    RDub is offline Junior Member
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    Mar 2011
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    10mm Remington UMC 180gr FMJ report

    10mm Remington UMC 180gr FMJ



    I Just got two boxes of this ammo in the mail yesterday. No one in this area carries it for some reason or another..

    Remington seats the 180gr FMJ bullet to a length of 1.248-49”.
    Taking a look inside, we find the case loaded with 7.0grs of propellant.



    The propellant looks like a large grained flattened ball powder.



    Here is another look;



    The bullet weighed out at exactly 180grs..



    Took some of this ammo to the range today.
    Temps were in the high 50’s. Clear sky, and RH at 60%.



    I shot two groups;
    Shot one with the ISMI 22# spring and the other with the factory spring, just to see what difference it made. The factory spring shoots this much better.
    The velocity was a little disappointing.. I was expecting at least something in the low 1100’s..
    In the picture the average velocity is underlined, followed by the extreme spread, Standard Deviation, and temperature.
    Circles are 5".

    Oh well, there ya have it..

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  3. #2
    papahawk's Avatar
    papahawk is offline Junior Member
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    Both are good groups (even with the oops). If you are looking for full power 10mm loads, there is only a couple manufactures that load them, Buffulo Bore and Cor-Bon. If you reload, 800X or blue dot will give you the velocities of the origanal 10mm.

  4. #3
    RDub is offline Junior Member
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    Quote Originally Posted by papahawk View Post
    Both are good groups (even with the oops). If you are looking for full power 10mm loads, there is only a couple manufactures that load them, Buffulo Bore and Cor-Bon. If you reload, 800X or blue dot will give you the velocities of the origanal 10mm.
    Roger that papahawk..
    Yep, I've been giving this G20SF a workout finding out what shoots well.. If you want to check it out;

    Glock 20 10mm - Handgun cartridge reloading - Metallic cartridge reloading - The Handloaders Bench

    I have a magazine full of BuffBore 180JHC for a rainy day.. They do 1255 fps out of my stock barrel.

    Favorite handload is 10.2grs 800-X, starline case, Rem2 and a Hornady 180gr XTP at 1260fps.

    The Underwood ammo I tried created a lot of smileys in the stock barrel..

    It's amazing how much most 10mm ammo is underpowered.. not just a little.. a lot!

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