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Old 12-09-2014, 17:25   #1
4949shooter
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Gen 4 G20 Range Report

I posted this in General Glocking, but will post here for my 10mm friends.

Well, I got the Gen 4 to the range on Sunday for a long awaited trial and first impressions.

The grip polygons: They might make a difference with wet hands. With normal, dry, room temperature hands I didn't notice much of a difference. Also, with my Goretex gloves I did not notice any difference. With rubber coated gloves...yes. The polygons seemed to grip the rubber texture better.

Trigger: Feels a little heavier than my Gen 3 20 SF trigger. I put a little Remoil where the connector contacts the trigger bar a day earlier before I shot the gun and let it sit. By the end of the shooting session I think the trigger pretty much broke in (200 rounds).

Shooting Experience: I noticed the dual recoil spring assembly right away, which had a different "feel" than my Gen 3 RSA. Firing 50 rounds of Remington UMC ammo the dual spring really seemed to soak up some recoil.

On to Underwood 165 grain (1400 fps). The gun fired well until I had a failure to feed with this ammo and the stock spring. Now, I have never had a FTF with this ammo in my Gen 3.

So...the next box of Underwood ammo I tried the 24 pound RSA meant for the Gen 4 I ordered from Glockmeister. The Underwood fed flawlessly with this spring for the entire 50 round box.

The next box of ammo I fired was the Remmy UMC which I wanted to try with the 24 pound spring. It worked fine for the 50.

Recoil: Recoil in this gun was medium with the UMC ammo. The Underwood was stout. I didn't notice much of a difference in recoil between the stock dual RSA and the 24 pound single spring captured guide rod assembly. The recoil is more of a "straight back" recoil, and is not snappy in terms of muzzle rise. The 24 pound RSA most definately worked better with both levels of ammo.

My Opinion: The Glock Gen 4 10mm model 20 is a tough, durable, and reliable handgun. It is also accurate. In all honesty, I was hoping Glock would have designed the new dual RSA for the heavy type 10mm ammo. I have to say after my first experience at the range this is not the case. The gun works better with the most powerful 10mm ammo utilizing an aftermarket 24 pound RSA, same as the Gen 3.

Other than that, I thoroughly enjoyed shooting this gun. I will keep the stock RSA for medium power ammo, and use the 24 pound aftermarket for the hot stuff.

And when people at the range come up behind you to see what you are shooting, you know you are making an impression.
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Last edited by 4949shooter; 12-09-2014 at 17:26..
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Old 12-09-2014, 19:24   #2
hvac-12
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What a great round the 10 mm is, I just can't shoot accurtley / at all.

I can't hit a school bus with the dam thing.

Forget stopping power, that's knockout power.

Enjoy the new 20
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Old 12-09-2014, 22:09   #3
bac1023
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Good report.

Thanks...
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Old 12-13-2014, 07:12   #4
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Congrats and thanks for the range report!
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Old 12-13-2014, 07:22   #5
4949shooter
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You are quite welcome!
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Old 12-13-2014, 07:45   #6
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Good info, partner. Interesting about the new dual RSA.
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Old 12-13-2014, 14:58   #7
dryfly
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Quote:
Originally Posted by hvac-12 View Post
What a great round the 10 mm is, I just can't shoot accurtley / at all.

I can't hit a school bus with the dam thing.

Forget stopping power, that's knockout power.

Enjoy the new 20
Maybe we can help ya ?

ETA ... Not with the school bus part though.
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