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Old 03-29-2013, 14:37   #1
ULVER
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"Lone Wolf" 6-inch barrel In A GLOCK 17: Velocity Question (?)

Just for jollies, I was thinking of getting a Lone Wolf 6-inch barrel for my Glock 17.

I was curious if a 6-inch broach cut barrel will give me more velocity than the stock Glock barrel?

I'm aware that Glocks usually give a slight velocity edge, with their polygonal barrels. I'm just curious if I would gain fps with the Lone Wolf, or would I just be treading water.

???

Thanks for any opinions!
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Old 03-30-2013, 07:01   #2
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An extra inch and a half of barrel length will surely give you more MV.
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Old 03-30-2013, 07:49   #3
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I'm going out on a limb here and gonna say u could see about 100fps gain from a 6inch barrel over the 4.5inch.
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Old 03-30-2013, 07:50   #4
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I'm going out on a limb here and gonna say u could see about 100fps gain from a 6inch barrel over the 4.5inch.
Maybe even 150FPS.
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Old 03-30-2013, 12:18   #5
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Quote:
Originally Posted by ULVER View Post
Just for jollies, I was thinking of getting a Lone Wolf 6-inch barrel for my Glock 17.

I was curious if a 6-inch broach cut barrel will give me more velocity than the stock Glock barrel?

I'm aware that Glocks usually give a slight velocity edge, with their polygonal barrels. I'm just curious if I would gain fps with the Lone Wolf, or would I just be treading water.

???

Thanks for any opinions!
It should, but there is only one way to find out for sure.
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Old 03-30-2013, 14:14   #6
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Quote:
Originally Posted by SCmasterblaster View Post
Maybe even 150FPS.
I called Lone Wolf, and they said,"you'll get 50more fps, for every inch of barrel you add." So maybe you are exactly in the ballpark.

It would be interesting to see, how that extra velocity affects expansion/penetration of various bullets.
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Old 04-02-2013, 13:24   #7
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I called Lone Wolf, and they said,"you'll get 50more fps, for every inch of barrel you add." So maybe you are exactly in the ballpark.

It would be interesting to see, how that extra velocity affects expansion/penetration of various bullets.
The standard Glock rifling yields a lot more velocity. So a 4.5-inch Glock barrel may not be that far behind the 6-inch barrel.
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Old 04-02-2013, 16:02   #8
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Quote:
Originally Posted by SCmasterblaster View Post
The standard Glock rifling yields a lot more velocity. So a 4.5-inch Glock barrel may not be that far behind the 6-inch barrel.
I was kinda thinkin' that myself. However, it mighht be worth a shot (pun intended ) to see. Plus, I think it would look pretty cool!

In these times, having another barrel, may not be a bad idea, anyway...
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Old 04-04-2013, 13:32   #9
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Originally Posted by SCmasterblaster View Post
The standard Glock rifling yields a lot more velocity. So a 4.5-inch Glock barrel may not be that far behind the 6-inch barrel.
Not always. I have some KKM barels that are faster than the factory stock barrel. I just got a G35 and I am waiting for a KKM 357 sig barrel to see if I can get Underwood 125gr GD's significantly over 1,600 fps.

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Old 04-04-2013, 14:07   #10
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Quote:
Originally Posted by PghJim View Post
Not always. I have some KKM barels that are faster than the factory stock barrel. I just got a G35 and I am waiting for a KKM 357 sig barrel to see if I can get Underwood 125gr GD's significantly over 1,600 fps.
Just curious about Lone Wolf vs.KKM. Both seem very high quality.
The Wolf was $125. I just checked on the 6-inch at KKM, and it was $165.

For the difference, I could buy some ammo! If I could find it!
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Old 04-04-2013, 14:47   #11
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It should. The mythical vel increase in the Glock is very minimal, depending on caliber & load used. I bought a LW for my G17, it's within 10fps of the factory bbl. I would expect a full 100fps over a 4" Glock bbl, again depending the powder used.
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Old 04-04-2013, 15:49   #12
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Quote:
Originally Posted by Adamz04 View Post
I'm going out on a limb here and gonna say u could see about 100fps gain from a 6inch barrel over the 4.5inch.
I think I got somewhere over 100fps, like 110-130fps or so.

Hard to tell exactly when there's uncertainty in powder drops, from case to case.

But by and large, it was so. And you'd get a bit less recoil, if you can discern it, due to the heavier barrel.
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Old 04-04-2013, 15:54   #13
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I wouldn't mind having a 6-inch unported barrel for my G17.
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Old 04-04-2013, 16:18   #14
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Be aware... the extra velocity can cause Plated bullets to tumble (at times), if you're already at (the edge of) plated bullet's velocity limit. Load less powder or buy better bullets. The economic benefit of using less powder here, is negligible.

Here is a good reference, in general,

http://ballisticsbytheinch.com/9luger.html

Last edited by ModGlock17; 04-04-2013 at 16:21..
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Old 04-04-2013, 16:24   #15
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Be aware... the extra velocity can cause Plated bullets to tumble (at times), if you're already at (the edge of) plated bullet's velocity limit. Load less powder or buy better bullets. The economic benefit of using less powder here, is negligible.

Here is a good reference, in general,

http://ballisticsbytheinch.com/9luger.html
I wasn't aware - thanks.
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Old 04-05-2013, 13:30   #16
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No handloading on my end guys.

It would just be factory fodder. Most likely, someone's flavor of Gold Dot. Speer, Black Hills, Double Tap, Georgia Arms...

I'd be curious how close with some of the +P loads, could I get on the heels of a 357 Sig. ???
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Old 04-05-2013, 13:43   #17
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No handloading on my end guys.

It would just be factory fodder. Most likely, someone's flavor of Gold Dot. Speer, Black Hills, Double Tap, Georgia Arms...

I'd be curious how close with some of the +P loads, could I get on the heels of a 357 Sig. ???
Well with the WW 115gr JHP +p+ load I get 1400 FPS in my G17, which is still way below what the .357 Sig does in this bullet weight.
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Old 04-05-2013, 13:49   #18
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Lone Wolf now has a 9 inch barrel for the G17. I wonder how much of a velocity increase that would be, especially with +P or +P+ loads?

http://www.lonewolfdist.com/Detail.a...272598&CAT=240
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Old 04-05-2013, 18:59   #19
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I was just about to mention the 9" barrel too, they make one for the 9mm and .40. I'm not exactly sure why they offer them, but interesting nonetheless....and talk about odd looking.
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Old 04-06-2013, 12:47   #20
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I just put my 5.5-inch ported barrel into my G17. I figure that my WW 115gr JHP +p+ load is going close to 1450 FPS out of this barrel. I get 1400 FPS out of my stock Glock 4.5-inch barrel.
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Old 04-07-2013, 03:33   #21
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hot ammo gives you a bigger bump than target ammo.

with WWB 115 grain target ammo i get 1150 fps with a glck 17. out of my 17L i get 1225

with 115 +p+ corbon i'd get 1350 fps with the 17L i'd 1506 fps

last summer i test some 125 grain GD +p and got just shy of 1350 fps

with my glock 24 i get a real good bump too some 135 grain corbon went 1460 fps.
a speer blazer 180 factory runs right 1100 fps

i once needed a load that would push a 200 grain LTC 900 fps, so using power pistol i went with a mid range load of 5.8 grains buy the manual it should have gone in the 920 or less. instead i got 1050 fps

another time some speer lawman 165 grain gave 1225 fps

part of the fun shooting these 6 inch guns is you get a lot of pop with out having to go the max out loads.
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Old 04-07-2013, 09:04   #22
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Years ago I took all my Glock 9mm's to the range and chrono'd WWB 115 gr. ammo. I fired it out of my G26, 19, 17 and ported and un-ported 17L. All Glock barrels. Then, I posted the results here on Glock Talk.

I don't remember what my screen name was at the time, but someone may be able to find the results in a search.

Bill
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Old 04-07-2013, 17:07   #23
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hot ammo gives you a bigger bump than target ammo.

.
agree.

if you are a hand loader you get the most out of your 6". not that a max load is an easy thing to decide on. I stay on the conservative side. you can optimize your powder burn rate and get meaning increase without blowing your pistol up.

the thing is you still have the same sight radius so the boost in velocity is what you get. I have gone to a long slide to increase sight radius. I have a slide at the gun smith getting a C-More installed on a regular slide.
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Old 04-08-2013, 15:13   #24
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I'd guess we might have some of the old posts, from when the 17L first came out with its' six inch barrel. The velocities were fast enough that folks were comparing it to the 357Magnum. This was before the 357Sig, which was developed to do just that, but out of a 4" barrel....

A good 357Sig/125JHP gets about 1350fps, pretty close to a good 357Magnum/125JHP at 1450 fps. FWIW
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Old 04-09-2013, 10:36   #25
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I'd guess we might have some of the old posts, from when the 17L first came out with its' six inch barrel. The velocities were fast enough that folks were comparing it to the 357Magnum. This was before the 357Sig, which was developed to do just that, but out of a 4" barrel....

A good 357Sig/125JHP gets about 1350fps, pretty close to a good 357Magnum/125JHP at 1450 fps. FWIW
I had forgotten about the G17L . . . . .
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