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Old 03-23-2013, 16:33   #1
grizzly7
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G20 Extended barrel

What barrel would anyone suggest for my new glock 20, I need a 5+inch so I can hunt with it. I am new to this so really dont have any input just looking for some input. Thanks in advance for any help.
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Old 03-23-2013, 16:35   #2
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Originally Posted by grizzly7 View Post
What barrel would anyone suggest for my new glock 20, I need a 5+inch so I can hunt with it. I am new to this so really dont have any input just looking for some input. Thanks in advance for any help.
Lone Wolf, KKM and Storm Lake are board favorites.
I've personally had good luck with Storm Lake.
Have five of their barrels in 9mm , 357 Sig, 40 & 45.

Last edited by barth; 03-23-2013 at 16:39..
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Old 03-23-2013, 16:54   #3
MikeG36
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My Lone Wolf is awesome. Can't say enough good things about it.

Since Barth didn't post a pic...... hehehe.... Here's mine.

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Old 03-23-2013, 16:58   #4
barth
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Barth has Barrels

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Since Barth didn't post a pic...... hehehe....
Very Funny!
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Old 03-23-2013, 17:00   #5
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I just listed one in the classifieds.

http://glocktalk.com/classifieds/sho...?product=45225
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Old 03-23-2013, 17:02   #6
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Nice! Lol....
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Old 03-23-2013, 17:10   #7
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What length do you all recommend I was looking at a 6" or is that too long and go with 5"???
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Old 03-23-2013, 17:17   #8
barth
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Originally Posted by grizzly7 View Post
What length do you all recommend I was looking at a 6" or is that too long and go with 5"???
Storm Lake extended G20 is 6.02"
For hunting I'd want the extra velocity.
Your getting a second barrel in the same caliber?
Go big or go home.
My Sig P220 with 5.47" P220 Sport Barrel
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Example: G20 with 6.02" Storm Lake
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Last edited by barth; 03-23-2013 at 17:30..
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Old 03-23-2013, 17:39   #9
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So does the longer barrel help velocity? I wouldn't think so????
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Old 03-23-2013, 17:53   #10
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So does the longer barrel help velocity? I wouldn't think so????
Think again.
Quote:
Originally Posted by TRaGiK View Post
Been wanting a aftermarket barrel for a little while so that I could shoot lead out of my G20, and also one a little longer than stock for more velocity. Heard too many bad things about Lone Wolf (either unsupported chamber, or chamber too tight), and didn't want a 6 inch barrel. Ended up going with a Storm Lake 5.3 inch barrel.

Put around 125 - 150 rounds through it today, and it functions perfectly so far, with great case support. I was a little worried about this barrel to begin with, as I thought it may have too much support in the feed ramp area, and was worried about the chamber being too tight (SL chamber measures .428, stock Glock barrel measures .433).

I put 7 factory loads through it, and several different reloads of my own (using new brass, once fired, and multi-fired brass). ALL functioned 100 percent, and velocity gains were from ~40 to 110 fps. I was honestly only expecting about a 50fps gain, AT MOST, but was pleasently suprised with more than that in most cases.

Here's the chrono data. Only used the SL barrel today, so stock barrel velocities were done several weeks ago, but on a day with similar temps, humidity, etc.

Factory ammo

Winchester Silvertips
SL bbl averaged 1227 fps.
Stock bbl averaged 1186 fps.

Remington 180gr FMJ
SL bbl averaged 1125 fps.
Stock bbl averaged 1045 fps.

PMC 200gr FMJ
SL bbl averaged 1066 fps.
Stock bbl averaged 1010 fps.

Georgia Arms 180gr JHP (advertised 1150fps)
SL bbl averaged 1204 fps.
Stock bbl averaged 1123 fps.

Underwood 180gr XTP averaged 1355 fps.
Stock bbl averaged 1290 fps.


Home grown ammo

Warning: Most of, or all of, the data below EXCEEDS book data. They have been safe in *MY* stock, and aftermarket barrel, but might blow your gun up. Use with caution...work up to it...etc.


155gr XTP, 10.2gr Power Pistol, 1.26 OAL

Averaged 1440 in SL bbl.
Averaged 1360 in stock bbl.

180gr XTP, 9.5gr Power Pistol, 1.26 oal
Averaged 1340 in SL bbl.
Averaged 1280 in stock bbl.

180gr HAP, 8.0 Power Pistol, 1.26 oal
Averaged 1176 in SL bbl.
Averaged 1120 in stock bbl.

180gr HAP, 9.0 Power Pistol, 1.26 oal
Averaged 1307 in SL bbl.
Averaged 1197 in stock bbl.


I'm very pleased with this barrel, and wish I bought it at the same time I picked up my G20. I still need to put some more rounds through it to make sure it's going to be reliable, but so far so good.

Last edited by barth; 03-23-2013 at 18:11..
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Old 03-23-2013, 18:23   #11
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So does the longer barrel help velocity? I wouldn't think so????
If the extra length doesn't increase velocity, then you better tell the many individuals on this forum who use it to hunt with.
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Old 03-23-2013, 18:48   #12
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I didn't really know so my bad but thanks for the help keep the info coming!!
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Old 03-23-2013, 20:00   #13
barth
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I didn't really know so my bad but thanks for the help keep the info coming!!
No Problemo,
I would also recommend using real hunting ammo.
Not standard self defense hollow points.
Animals are a lot harder targets than people.
And penetration is king.
Look at some super hard cast hunting rounds;

Underwood 10mm Auto 220 Grain Hard Cast Flat Nose Box of 50
http://www.underwoodammo.com/10mmAut...seBoxof50.aspx

Buffalo Bore Heavy 10mm Ammo - 220 gr. Hard Cast - FN (1200 fps/ME 703 ft. lbs.) - 20 Round Box
https://www.buffalobore.com/index.ph...t_detail&p=219
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Doubletap Ammunition 10mm Auto 200 Grain Lead Wide Flat Nose Gas Check Box of 50
http://www.doubletapammo.com/php/cat...roducts_id=105
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Last edited by barth; 03-23-2013 at 20:13..
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Old 03-23-2013, 21:15   #14
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Originally Posted by grizzly7 View Post
So does the longer barrel help velocity? I wouldn't think so????
may be this will help...

http://ballisticsbytheinch.com/10mm.html

Then have a look here to get some ideas about what you'd want...
http://www.glocktalk.com/forums/show....php?t=1357591

Last edited by ModGlock17; 03-23-2013 at 21:20..
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Old 03-23-2013, 21:32   #15
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So does the longer barrel help velocity? I wouldn't think so????
A straightforward way of presenting it: As long as the force exerted by the burning powder on the BASE of the bullet is greater than the frictional force of the barrel rubbing on the SIDE of the bullet, the bullet will continue to accelerate. For a straight-walled handgun cartridge, the barrel would have to be almost rifle length for the burning powder to finally fall below that force level.
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Old 03-23-2013, 21:46   #16
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Why not getting a 16" barrel? Turn it into a carbine in less than 30sec with a MechTech. There's a long waiting list.
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Old 03-23-2013, 22:05   #17
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I can only hunt with 5 round Mags - is there a capacity limiter for the G20 mag ?

Quote:
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... glock 20, I need a 5+inch so I can hunt with it...
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Old 03-24-2013, 08:52   #18
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I have the 5.1" Lone Wolf barrel for my G20 Gen 3. Makes it legal for hunting in Ohio by .1 inch. No problems with the barrel that I have.
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Old 03-24-2013, 09:37   #19
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I just listed one in the classifieds.

http://glocktalk.com/classifieds/sho...?product=45225
Just get this one and save some money! You'll be glad you did. Thank me later!
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Old 03-24-2013, 09:43   #20
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Just get this one and save some money! You'll be glad you did. Thank me later!
If I werent selling my G20 I'd be keeping this. Its the only barrel that doesnt bulge the brass, making reloading a *****, that I've ever had. I have a LW on the way for my new G29 Gen 4.
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