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Old 02-11-2012, 07:33   #1
akjaeger
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New to Glocks and 10mm-range report

I bought my first Glock, a 20 SF about a month ago. I was intrigued by the 10mm cartridge's ballistics and the pistol's 16 round capacity.
I modified it with a set of Ameriglo ghost ring sights, Crimson Trace laser, 3.5 trigger, extended slide release and extended takedown catch.
I also bought a used LWD standard length bbl, 22lb spring and steel guide rod from a member here through the want ads and installed them.
I'm trying to achieve the mythical all-around handgun for carry here in the Idaho backcountry, for self defense and occasional hunting.
I bought several boxes of factory ammo, Hornady 180 XTP, American Eagle 180 FMJ, CCI Blazer 200 TMJ, and some Freedom Ammunition 180 FMJ.
The Hornady 180's shot best in the stock and LWD bbl's.
Bought a set of Dillon dies for my 550 and a Redding push thru die for the bulged brass. I wanted to work up a load with the 200XTP and tried several different powders, primers, OAL's. The most accurate reliably functioning load I tried was 11.3g 2400-CCI350-Starline brass- OAL 1.250. Groups ran about 12" @ 100yds.
The LWD bbl gave constant problems with FTF's in erratic patterns with the full house 200g loads. After I polished the feed ramp and chamber edge this was better.
Even with the 22lb spring full house 200g loads seemed to bounce the slide against the frame hard, I think this may have caused some of the feed problems.
I switched to 180 XTP's loaded to an OAL of 1.250 and the gun functions much better.
The best load yet is 180 XTP- 9.3g Longshot-CCI300-Starline brass- OAL 1.250.
This load shoots into 6-8" @ 100yds and POI is within 3" of POA @ 25, 50 and 100yds.
I have to say that I'm impressed with the Glock 20.
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Old 02-11-2012, 11:00   #2
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You're obviously not using a chrono for your home-brewed loads?

How do your primers look after firing?
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Old 02-11-2012, 11:01   #3
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Quote:
Originally Posted by akjaeger View Post
Even with the 22lb spring full house 200g loads seemed to bounce the slide against the frame hard, I think this may have caused some of the feed problems.
I have to say that I'm impressed with the Glock 20.
Yes, the full house loads will pound no matter what spring you use ... and honestly, there will be MORE felt recoil with heavier springs (rather than LESS recoil like you might imagine).

The G20 is a fantastic firearm. Welcome!
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Why do I carry a 10mm?
“Because a 9mm only kills your body… the 10mm kills your soul.”
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Old 02-11-2012, 13:47   #4
akjaeger
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The primers look fine.
I didn't exceed any of the max loads in the speer or hodgon manual and the loads listed are both below max.
I've got a chronograph, but really only set it up once I have found an accurate load.
I've no need to go nuclear with the G20 my Freedom Arms .454 can handle those chore.
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Old 02-11-2012, 13:51   #5
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Congrats on your new 10mm. I too was really impressed with it's accurate @ 100 yards using both the standard Glock barrel and even more so with the LWD 6.02" barrel. I haven't tried Longshot with my 180XTP's yet, but I'm pretty darn happy with BlueDot with that bullet.
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Old 02-11-2012, 15:01   #6
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The G20 could be a belt portable assault rifle if it could be mastered.
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Old 02-11-2012, 16:05   #7
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to the forum and Congrats! Like may of the Glockers here you will find what works best with your gun!
Enjoy it and be safe!
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Old 02-12-2012, 08:11   #8
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How do you like the ameriglo ghost ring sights, how are they to use? Do they help with the accuracy at long range?
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Old 02-12-2012, 11:01   #9
akjaeger
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The Ameriglo ghost ring sights have taken some getting used to.
I bought them because as my eyes get older(I'm 47) it's harder for me to shoot well under field conditions. You know poor light, dark fur on the target. I think the ghost ring sights will really help with that.
The key to shooting small groups with them is to use a target sized to show any inconsistencies of sight picture.
I've been shooting at about an 12" bull at 100yds, using a center hold. The bull appears to be a perfectly centered half circle above the front sight.
I do all of my accuracy testing from the Keith sitting/reclining position with a backrest. Something I can replicate in the field. I'm lucky to have my own range, so I don't have anybody else's range rules.
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Old 02-12-2012, 16:50   #10
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and congrats
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Old 02-12-2012, 17:27   #11
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Congrats on the G20SF akjaeger. I too carry a 20 when out in the Idaho backcountry. I had a great backpacking trip last fall to the White Clouds range. I have settled on the stock barrel since it has proven to be incredibly reliable and sufficiently accurate.

For all of the firepower (16 rounds of 200 gr WFNGC bullets) it is very reasonable to pack around. I do not notice the weight at all even while hefting a load several miles on foot. Plus the reliability of a Glock platform. Gotta love it.
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Old 02-15-2012, 17:27   #12
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Was in the same exact boat except i couldnt find an sf so i got a regular G20, my accuracy is sup-par to say the least. about 10" at 25yds, shame shame shame

IN GLOCK WE TRUST
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Old 02-15-2012, 20:54   #13
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Quote:
Originally Posted by Taterhead View Post
Congrats on the G20SF akjaeger. I too carry a 20 when out in the Idaho backcountry. I had a great backpacking trip last fall to the White Clouds range. I have settled on the stock barrel since it has proven to be incredibly reliable and sufficiently accurate.

For all of the firepower (16 rounds of 200 gr WFNGC bullets) it is very reasonable to pack around. I do not notice the weight at all even while hefting a load several miles on foot. Plus the reliability of a Glock platform. Gotta love it.
Hey Tater, are those 200gr WFNGC's you speak of DoubleTap?
Are you firing those from the stock barrel? I've been dying to order some of those, just didn't want to have to add the extra $$$ for an aftermarket barrel.
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Old 02-15-2012, 21:01   #14
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I was never a fan of plastic guns, but i really wanted a 10mm, and the G20 seemed like it was a great platform for it from all the reviews, and articles I read, so I bought a G20SF. I love it, not one regret, probably the most versatile semi-auto you can get. 22lb spring, SS guide rod, she's a rocker! Now the only problem is I want more Glocks!!
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Old 02-15-2012, 23:24   #15
akjaeger
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Hey Tater,
That sounds like a fun trip.
I'm also big fan of WFN GC's, I run them in .44 mag-280g, 454 Casull-380g, 45 Colt-325g.
I also use them a couple of lever action rifles, 450 Alaskan 425g WLN GC and 50 Alaskan 450g WFN GC.
In my experience the WFN's have to be driven hard to stabilize, how fast are yours going?
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