First Look: Gen4 Glock 20 10mm Review

Discussion in 'Handguns, Pistol Shooting' started by plouffedaddy, Jun 17, 2012.

  1. plouffedaddy

    plouffedaddy Registered Member

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    [​IMG]

    Many devout fans of the 10mm love their Glock 20, myself included. So when I heard the Generation 4 version was released, I jumped at the chance to pick one up. I really like the Gen 4 grip on my other Glocks and I thought it would be especially helpful with the recoil of some hot 10mm rounds. Turns out I was right.

    I ordered the gun the day it came out and had it in my paws the next day. I cleaned it, lubricated it to specs, turned the rear sight around (I don't like the Glock sight picture), and patiently waited for the weekend to put some rounds through the beast.

    Pros:
    -Glock grip angle helps absorb the 10mm recoil (one man's opinion)
    -Cost: many other 10mm pistols sell for double what the G20 sells for
    -Accuracy: the gun is more accurate than I am
    -Positive ejection with both hot and weak loads
    -Easy to maintain
    -Gen 4 grip surface helps keep a firm grip on the gun, even when your hands are sweating
    -Low bore axis helps tame the recoil
    -Lots of aftermarket support (holsters, sights, ect....)
    -100% reliable so far

    Cons:
    -new to the market so heavy recoil springs aren't yet available
    -the finish isn't the old glossy Glock finish of a few years ago so finish durability is unknown

    Heres a video I did to show the firearm in action. I do some shooting, demonstrate the ejection pattern with hot ammo, a 15m group, table top review (with part numbers), and some chronograph testing.

    [video=youtube;pBIj5YwjFYg]http://www.youtube.com/watch?v=pBIj5YwjFYg&feature=g-upl[/video]

    Chronograph data:

    Temp––90 degrees with 80% humidity

    Prvi 180gr JHP: 976fps, 381ft/lbs energy
    Underwood Ammo 165gr Gold Dot JHP: 1372fps, 689ft/lbs energy
     
    #1
  2. Smee78

    Smee78 Registered Member

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    Looks like a fun time, I have been on the fence about picking up a glock 10mm, I like the 10mm (S&W 1006 & 1076) and my Glock 19 butttttt. I just dont know.
     
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  3. Dorton

    Dorton Staff
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    I might have to get back into the glock 10mm scene.
    I loved my gen 4 17, and wish I wouldn't have sold my 20SF.

    Sent via mental telepathy
     
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  4. Cocked & Locked

    Cocked & Locked OLD SCHOOL STAFF
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    Nice looking 10mm. I'm still hanging onto this one. It'll accompany me again at times during hunting season.

    [​IMG]
     
    #4
  5. bigfelipe

    bigfelipe Lifetime Member
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    Me likey... I miss my old S&W 1006. Think a G20 might be my next big pistol purchase...
     
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  6. rogerschrisj

    rogerschrisj Registered Member

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    I've wanted a high capacity 10mm for some time now. Most are out of my price range but the glock 20 I can swing. I came really close to buying a gen3 SF. Then I heard the gen4 was going to be produced. I told myself that I would have it just as soon as it hit the market. Now it is here and all these FDE gen4's are floating around. I really don't care for black guns (or Glocks for that matter, lol) so I'm going to wait a couple more months to see if they will produce a FDE gen4 glock 20. If so I'm all in. If not I'll try to find a used black one.
     
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  7. Silver_Bullet

    Staff Member Club Subscribed

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    I am partial to the original glock design. If it's not broke, why fix it? It's more than proven it's self. I will continue with gen 3's. Just look at the problems the 9mm gen 4's had when they came out. Fixed now, but the 3's work for me, and i had no need for the upgrade. I understand if you like the changeable back straps. They could have just added that to the original design to keep things simple, then all parts would still be interchangable, but instead they made an entire new gun with the glock name, and look.
     
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  8. Silver_Bullet

    Staff Member Club Subscribed

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    Double Post! LOL
     
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    Last edited: Jun 22, 2012
  9. Cocked & Locked

    Cocked & Locked OLD SCHOOL STAFF
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    we heard you the 1st time...LOL
     
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  10. jakerson9

    jakerson9 Lifetime Member
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    Thanks for the review -
    That seems like such a huge variation in the ammunition ballistics. That Privi ammo almost looks like 40 S&W ammo. I wonder about their assembly line...

    Prvi 180gr JHP: 976fps, 381ft/lbs energy
    Underwood Ammo 165gr Gold Dot JHP: 1372fps, 689ft/lbs energy

    If the bullet weights were both 158gr, it would be almost like the difference in shooting 38sp vs 357magnum from the same revolver. Was there a huge difference in how the ammo felt? Did the (comparatively underpowered) privi ammo cause any issues?

    Thanks
     
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  11. plouffedaddy

    plouffedaddy Registered Member

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    Oh yeah----the ammo feels a lot different. All ammo functioned 100% and had no issues. I'm a fan of chronographing all loads since many manufacturers lie bigtime. But, the 10mm has 'light' loads like the Prvi and 'full' loads like Underwood/Cor Bon/BB/ect... The reason the FBI went away from the 10mm was many agents just couldn't handle the full power loads; hence the development of the 40S&W.
     
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  12. Snap Cap

    Snap Cap Registered Member

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    You say that you have a gen 3 SF model as well. Does it feel smaller in the hand than the gen 4? Have you tried to measure them? I am very curious because I have smaller hands and the only glock that feels fairly comfortable to me is the 19.
     
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  13. CrimsonMKII

    CrimsonMKII New Member

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    I'm a new owner of a Gen4 G21 and now have my sights on the G20! Nice review... thanks!
     
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  14. Esp62

    Esp62 Member

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    I've been considering getting a 10mm Glock myself. But I'm like silver bullet, I'll take a Gen 3. I've just heard to many problems with Gen 4 & All my 3's have been totally reliable. The new texturing could be nice with hot rounds though!
     
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  15. plouffedaddy

    plouffedaddy Registered Member

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    I did measure them actually because everyone was saying it feels different but it didn't to me.... They're the same size.
     
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  16. raven28690

    raven28690 Registered Member

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    Nice review. Ever since reading about the Glock 20 and watching some videos of the gun, I have been dead set on getting one.
    If only tax time would hurry back around.
     
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  17. twofocused

    twofocused Member

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    I want one so bad but, it doesn't really fit a role. It's just a want gun.

    I think a gen 3 g20 with a 6 inch ported barrel would be an awesome toy. So many guns, so little money.
     
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  18. plouffedaddy

    plouffedaddy Registered Member

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    Once I putt it through some more T&E it may take the place of my nightstand handgun loaded up with some Underwood 155gr JHPs. At the speed those are moving at, overpenetration is greatly reduced over 9, 40, or 45 and the energy they'd dump into a two legged adversary would be awesome. But, I'll have to put a bunch more rounds through it before it takes the place of my current nightstand gun.
    [​IMG]
    [​IMG]
    [​IMG]
     
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  19. Revolverman567

    Revolverman567 Club Subscribed
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    I want a gen 4 Glock 20 something fierce. Nice Review
     
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  20. s0nspark

    s0nspark Not Subscribed

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    Two of these are in my immediate future ... i.e. as soon as I can find them and for a fair price ;-)

    Thanks for the review and the vid!
     
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