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Underwood 220 gr hardcast

Discussion in 'The 10 Ring' started by deadandgone, Sep 21, 2012.

  1. deadandgone

    deadandgone

    114
    0
    Jul 27, 2010
    I'd been waiting for this....although I'm not sure I thought I would see a 220 grain....velocity seems outstanding....hmmmm....
     
  2. harrygunner

    harrygunner

    578
    28
    Sep 4, 2010
    I was hoping for and suggested a 200gr WFNGC. The reasons being, one still gets good penetration, but more importantly, allows a standard Glock barrel rifling to stabilize the bullet.

    Too heavy and this happens ( hickok45's video) : [ame="http://www.youtube.com/watch?v=-m0satEkGjw&feature=related"]Glock 20 with heavy cast bullets - YouTube[/ame]
     


  3. Yondering

    Yondering

    564
    0
    Dec 3, 2011
    The standard Glock rifling is fine for heavy bullets. It's the poor fit and crappy tolerances of that 230gr bullet that Double Tap uses that's the problem. The same is true for any cast bullet, they just usually aren't that bad.
     
    Last edited: Sep 22, 2012
  4. Ken52789

    Ken52789

    84
    1
    May 15, 2011
    Michigan
    Gosh darn it! Now I've gotta save up for some 220 hardcast. Oh well i guess the 200 xtps, 135 noslers, and 165 gold dots will tide me over for now lol.
     
    Last edited: Sep 22, 2012
  5. Ramjet-SS

    Ramjet-SS

    51
    4
    Sep 14, 2011
    N.E. Wisconsin
    This is exciting ammo for the hunting 10mm enthusiasts.

    The video is a good ole boy evaluation but cinder blocks are just too tough to cook. Even slow cooking doesn't tenderize them!
     
    Last edited: Sep 24, 2012
  6. edhead35

    edhead35

    31
    0
    Mar 31, 2012
    Using a G20, KKM 6" barrel, would the 220gr HC Underwood require more than the stock spring?

    Sent from my DROIDX using Tapatalk 2
     
  7. plouffedaddy

    plouffedaddy

    2,239
    1
    Apr 1, 2011
    Carolina
    Require--no. Might eject better.
     
  8. edhead35

    edhead35

    31
    0
    Mar 31, 2012
    What weight spring should I use with this ammo?
     
  9. bac1023

    bac1023

    102,303
    2,689
    Sep 26, 2004
    PA
  10. bac1023

    bac1023

    102,303
    2,689
    Sep 26, 2004
    PA
    Great video as usual from Hickok45.

    However, someone needs to tell him that there's a big difference between hot 10mm and hot 44mag.
     
  11. Travelin' Jack

    Travelin' Jack Misinformed

    1,354
    2
    Jul 20, 2007
    0 .· ` ' / ·. 200
    Same here. That said, I'm pretty impressed with the 200gr TMJ Speer rounds. They seem to hold together very well.
     
  12. arushus

    arushus Biggest Member

    2,541
    1
    Jul 22, 2011
    NE Oklahoma
    IMO, you should use the same spring weight you use for any other hot 10mm round.
     
  13. Otto33

    Otto33

    2
    0
    Sep 26, 2012
    Per an email I got from Underwood, all bullets stabilized perfectly through a stock barrel. Even so, do you guys think I could expect leading since the bullets are not gas-checked?

    Great forums btw. Glad to finally be part of it!
     
  14. edhead35

    edhead35

    31
    0
    Mar 31, 2012
    I just need a starting point on spring weight. This is my first venture into hotter loaded 10mm until I start reloading.
     
  15. Otto33

    Otto33

    2
    0
    Sep 26, 2012
    I had assumed they were, but the email I received from Kevin at Underwood specifically stated that the bullets are NOT gas checked. That's what lead me to post the question about leading in the stock barrel.
     
  16. Taterhead

    Taterhead Counting Beans

    3,595
    107
    Dec 13, 2008
    Boise, Idaho
    Just shoot it with the stock spring weight and see if you feel that it is problematic. At that point you might boost spring weights if you find a specific reason, but it is totally not a requirement.

    The only time my gun has failed (other than due to worn parts) is when I switched to a 22# spring. The stock spring is 100% with whatever loads I run. I replace it every 3000 rounds.
     
  17. arushus

    arushus Biggest Member

    2,541
    1
    Jul 22, 2011
    NE Oklahoma
    I run an ISMI 22lb spring on my G20, and it's never failed me once, even with .40sw tulammo. I wish I had gotten the 24lb ISMI spring tho, 22lb wasnt enough for my gun with hotter ammo, it would still sling brass fifteen or twenty feet.

    Like tater said, it isnt a necessity, shooting with the stock spring is perfectly fine. Personally, I do recommend a heavier spring if youre going to be shooting a lot of hot stuff, just to keep the battering down on your gun, but that's just me.
     
  18. arushus

    arushus Biggest Member

    2,541
    1
    Jul 22, 2011
    NE Oklahoma
    Every bit of research ive done indicates that so long as you check your barrel every fifty rounds, and clean it when necessary, you will be fine...
     
  19. doverpack12

    doverpack12

    42
    0
    Jul 24, 2012
    This is exactly what i've been waiting for. Although i kind of expected a 200 grain bullet. The 220 is fine with me if it works well. That is interesting if it is truly not gas checked. Any idea when it can be ordered, or has anyone recieved any yet and shot it?