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Georgia arms vs Underwood ammo

Discussion in 'The 10 Ring' started by anpirz, Jun 5, 2012.

  1. anpirz


    May 2, 2012
    Hey guys, I'm a 10mm shooter and absolutely love it. I know that is tough and expensive to get our ammo but I want some feedback on Georgia arms and underwood ammo. Georgia arms is running at 20 bucks for fifty, for range ammo. Underwood is going for about 25 for $50. I hear that underwood ammo is great but for range ammo is Georgia arms good enough? Shipping is cheaper from georgia arms too(i live in florida) Please, some good feedback would be Great.

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  2. ca survivor

    ca survivor

    Dec 25, 2011
    don't know about Underwood, Georgia arms ammo is a handful of misfires, no good at all..

  3. MK34_Techrep


    Apr 13, 2012
    Moyock, NC
    I've shot 100 rds of 40 S&W G22 from georgia arms with no problems. I always look for it at the gun shows...
  4. drsjr1969

    drsjr1969 "10mm ammo" FB

    Mar 3, 2011
    I have tested 70 different 10mm rounds and video it for YouTube as well as put it all down on a spreadsheet.
    Underwood is hot full power loads and my opinion is if your using a stock barrel some of your brass will be left unusable for reloading if you ever go that route.

    Georgia arms is more of a medium/lite load and will give you plenty of good brass to be reused from the stock barrel.

    "10mm ammo" find this page on Facebook
  5. I have shot both. GA is ok. I believe GA 180g range ammo is raaed at 1100 FPS. Underwood TMJ is rated at 1300 FPS. So I'd say it depends on how "realistic" you want your range ammo to be in comparison to your SD ammo. I use Underwood 180g GD JHP in my 10's so I appreciate the similar speeds and energy.

    I've shot hundreds of GA new ammo. No problems ever.
    Last edited: Jun 6, 2012
  6. orangeride


    Oct 19, 2011
    About six months ago I bought a 1000 rds of 180's from GA. My brother and I burned through all of it in about 3 weeks. It all ran awesome through our 20sf's. On hot days it will crono about 1130 fps and cold days about 1070. I've since reloaded the stairline brass about 8-10 times.
  7. JimIsland


    Aug 1, 2011
    I have shot tons of Ga Arms ammo in 10mm and quite a bit in the 357 Sig caliber. Zero issues however as other have stated, it's pretty mild. I personally love it for rang ammo.
    I have also used Underwood ammo and never an issue as well. I have to be careful because my G20 is a Gen 2 and the barrel lacks the support that the Gen 3s have so I will get "smiles" with anything borderline hot.

    Last weekend I picked up same Ga Arms 10mm +p bonded HP in 155gr and 180gr. Anxious to see how it does.
  8. anpirz


    May 2, 2012
    Hey Jim, be sure to post your results on the +p's you got. Thanks!

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  9. JimIsland


    Aug 1, 2011

    10-4 pal!! It was only 29.00 for a 50 count as well so we'll see.
  10. Kwesi


    Sep 23, 2006
    I used a bunch of GA 180 & 165 gr 10mm with zero misfires. I did have one round that was seated substantially shorter! Some of their loads were 1250.