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Old 06-20-2012, 14:26   #1
uglyblackguns
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G20 Race Gun?

Ok so like the title says would a G20 make a decent race gun? I have been upgrading my G20 with some tweak here and there and have looked into possibly making it a race gun. Haven't gone too crazy with it...yet. So do you think it would be crazy to do it with a G20 and just go and get a 17 or 34 and do it with those. Has anyone seen a 20 being used as a race gun and is the 10mm even a viable option to shoot in matches. I have recently got set up for reloading so I am not too worried about ammo. I have time on my side, I don't need to have this gun done anytime soon so I can work at my own pace and do most of the work myself. Any input would be appreciated. Thanks in advance.
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Old 06-21-2012, 02:45   #2
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Seems to me it would be a bit too slow to get back on target to compete well.
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Old 06-21-2012, 11:16   #3
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Most guys that shoot Glocks in Open Class are running 9 Major Comp'd G17's. I'm sure you could build it up & still compete, you'll just have to do a TON of load development/spring calibration to get a comparably flat shooting 10mm round. Another member here, Boba Debt, built an open gun out of a G20LS.
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Old 06-21-2012, 13:54   #4
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Thanks for the info guys. I figured it would be a lot of work to go against 9mm and 40's but at least I have something good to spend my money on instead of just wasting it.
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Old 06-22-2012, 07:31   #5
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what division are you considering to be a "Race gun division"
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Old 06-22-2012, 08:48   #6
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I was thinking USPSA open division. There is a local club here that does all kinds of matches but that would be the end goal.

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Old 06-29-2012, 19:58   #7
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An old member on here "Ditz" shot a 10MM open 20 for years, as the smaller guns just didn't fit his hands. We shot together until he moved, he is still a very high "B" shooter (sandbagger!) and on many occasions has beaten A, M & GM shooters. Like I said, sandbagger, like most guys in "B" in any division !
Load development & practice is the key. And if you decide to shoot s GSSF match, EVERYBODY pays attention when you're shooting a 10MM. It's like showing up at the local cruise night with a Ferrari or a real Cobra.


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Old 07-03-2012, 19:53   #8
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Thanks for feedback guys. Sounds like its going to be a challenge but I'm up for it. I think the load development will be fun.

Just picked up a Gen 2 G20 today so I think that will be my gun to build on. It feels a lot better without the finger groves. Like the Gen 2 20 was made for my hand.

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Old 07-03-2012, 22:11   #9
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...or a real Cobra.


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I love that distiction, so true.
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Old 07-05-2012, 21:04   #10
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Have you considered a 40 conversion barrel? With the heavy G20 slide, would seem recoil would pretty much disappear with leading to a very quick pistol. Please keep us posted of how this goes.
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Old 07-13-2012, 07:13   #11
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A G20 makes a fantastic Limited division gun in USPSA (no optics or comps/ports).
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Old 07-13-2012, 15:42   #12
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Brian shot his G20 open gun quite well. Far better than most thought a Glock should shoot. No doubt about poppers going down !

Hey Kyle ! Hows it going ?

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Old 07-13-2012, 16:16   #13
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For fun, sure. To be competitive, probably not. Reduced magazine capacity and excessive recoil unless you load lite. Not to mention clocks are few and far between in open division.
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Old 07-13-2012, 18:21   #14
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No need to load lite. Solution is to practice with what you shoot !

Remember the equasion relates to Speed, Accuracy & Power !
When you shoot a serious calilber, the ENTIRE popper is your target zone, not just the calibration circle & above.....

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Old 07-14-2012, 05:53   #15
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Ok so like the title says would a G20 make a decent race gun? I have been upgrading my G20 with some tweak here and there and have looked into possibly making it a race gun. Haven't gone too crazy with it...yet. So do you think it would be crazy to do it with a G20 and just go and get a 17 or 34 and do it with those. Has anyone seen a 20 being used as a race gun and is the 10mm even a viable option to shoot in matches. I have recently got set up for reloading so I am not too worried about ammo. I have time on my side, I don't need to have this gun done anytime soon so I can work at my own pace and do most of the work myself. Any input would be appreciated. Thanks in advance.
Seems to me that a G20 long-slide, with a compensator, would pretty much get you there.

15+1 rds, long sight radius and highly controllable w/ hot loads ... Sounds like a 10mm race gun.
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Old 07-14-2012, 08:23   #16
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Seems to me that a G20 long-slide, with a compensator, would pretty much get you there.

15+1 rds, long sight radius and highly controllable w/ hot loads ... Sounds like a 10mm race gun.
A Race Gun, or USPSA Open Class gun, has a red dot sight so sight radius is a non issue. Most guys shooting race guns have 28ish round mags, so 15rds would put you at a distinct disadvantage. Also, the comp is what flattens the muzzle rise, so the extra slide mass doesn't really help either. Again, most guys that shoot open class are running lightened G17 slides, which helps speed up the cycling. More than likely you'd be running a 155gr bullet @ 1070-1100fps or a 135gr bullet @ 1225-1260 (only 165PF to make major) with something slow like W296/H110. I'm sure we all know that those bullets at those velocities are child's play in 10mm. I'm shooting a G20SF in limited Class, and like flex said, it's a great Limited gun. If you want to shoot a G20 in open class for fun it would probably work just fine, but it's a whole different story if you want to really compete.


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Old 07-14-2012, 19:05   #17
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A Race Gun, or USPSA Open Class gun, has a red dot sight so sight radius is a non issue. Most guys shooting race guns have 28ish round mags, so 15rds would put you at a distinct disadvantage. Also, the comp is what flattens the muzzle rise, so the extra slide mass doesn't really help either. ***
Yep, forgot about the RDS used in Open Class.

Plus, he could always attach those Arredondo +5 extentions on the G20 mags for 20+1.

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Old 07-14-2012, 22:04   #18
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Yep, forgot about the RDS used in Open Class.

Plus, he could always attach those Arredondo +5 extentions on the G20 mags for 20+1.

I'm running 20rd Arredondo's on my G20SF in Limited, which is on par with most Limited shooters. USPSA being a game, and the Open Class shooters being the ultimate gamers, being down 8+rds compared to the faster/flatter 9 Major & 38 Super would kind of defeat the purpose of shooting in Open. That's why Limited is such a good Class to shoot. I have the same capacity as guys running $4000 2011's, so it's a lot easier to stay competitive.
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Old 07-14-2012, 22:48   #19
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Even thou you might be down by several per mag, the reliability of a Glock & the usual incompetence of the reloading habits of the majority of Open shooters tends to level the field ! As soon as a .38 or 9 shooter has a malfunction & ejects 1-2 rounds correcting it, he's lost time & ammo capacity. Meanwhile, the Glock just keeps running.
I saw this in a match my son was shooting, using his G24 in open. 9Major wasn't legal yet, so he was the ONLY .40S&W cal gun in the match in Open. One stage stands out, 32 steel poppers, basicly a balls-out shooting stage. He finished 5th on that stage, behind 2 GM's, 1 M & 1 A shooter. Bad choice of where to make his mag change cost him 2 places. But his G24 never bobbled. He beat several GM's & M's, as well as everybody else. He was shooting UNCLASSIFIED at the time, not having enough matches scored to be classified (he's now a very high "B" shooter).
Bottom line....everybody behind him had ammo related gun malfunctions, due to sloppy reloading quality control. Most Open shooters get their "SUPERGUN" and think it's a cure all. So don't rule out a Glock as opposed to a 1911/2011 type pistol.
(I'm currently building him a 9Major based on a G34 type pistol, & have been experimenting with 9Major for almost 8 yrs. Use it in my Production G34 on heavy steel stages for R&D) Oh yeah, my "normal" 9mm production ammo runs a PF of about 148-150. We shoot real-world ammo, not gamer loads in anything. When I used to shoot my G20 in Production, I was using a load with a PF of 214 !

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Old 07-14-2012, 23:03   #20
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Have you thought about 9x25dillon at all? Its a 10mm necked down to 9mm. Ive heard people say that with a proper comp, muzzle rise is virtually eliminated.

http://en.wikipedia.org/wiki/9%C3%9725mm_Dillon
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