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Old 02-29-2012, 10:50   #26
Glock30Eric
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Awesome keep us updated!


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Old 03-02-2012, 17:22   #27
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All I need now is ammo!

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***I have put this piece together with the knowledge that I have gained from reading the posts here on GlockTalk. Thanks everybody. All of you were a great help!
Now THAT is badass....
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Old 03-02-2012, 17:59   #28
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Thanks! I think I might actually keep this one! Ordered me a 24# spring just in case the 22# don't get it done.
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Old 03-06-2012, 10:04   #29
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I just got back from the local shooting spot and I can say that things were not as I expected. I shot Buffalo Bore 45 Super 185gr JHP through the 6.61" and comp. I had to use my shooting discipline to get shots on target because it was quite snappy. As I do not have a chrony I have to assume that the velocities were what they were supposed to be. I shot about 14 rounds through the barrel/comp without any failures, then I removed the comp to guage the difference and started having failures. In dealing with the FTF's I could not focus on the difference between having or not having the comp. However, when I re-installed the comp, the failures stopped. And then I switched to the Glock barrel and shot some more, without failures, and I was very relieved to see that case bulging was minimal, so now I feel relatively safe having my G21 loaded with 45 Super. Will post pics later.
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Old 03-06-2012, 10:44   #30
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Without the comp, you may need a stiffer recoil spring. What type of FTF were you having?
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Old 03-06-2012, 12:17   #31
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I would have to say the cartridges were taking a nose dive and failed to get pushed into the chamber. But then, it also seemed like the slide was just not getting pushed back far enough. I have a 22# Wolff recoil spring. There may be something to changing out the magazine spring for a stronger one like some folks have recommended.

Although, there was very minor bulging on the web area of the case and there is a strange indentation, which at first I thought was a crack, but it does not show on the inside of the case.

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Reminds me of getting a finger jamb from trying to catch a football.
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Old 03-06-2012, 13:20   #32
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I would have to say the cartridges were taking a nose dive and failed to get pushed into the chamber. I have a 22# Wolff spring. There may be something to changing out the magazine spring for a stronger one like some folks have recommended.

Although there was very minor bulging on the web area of the case there is a strange indentation, which at first I thought was a crack, but it does not show on the inside of the case.

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Reminds me of getting a finger jamb from trying to catch a football.
.
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That is interesting. Is it more a scratch or cut than a dent. It is in the same place. Check the chamber for a ridge. Other than that I would have to say it is done during ejection. Don't know.
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Old 03-06-2012, 13:36   #33
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I think that it is being caused by the propellant pushing the brass into itself, like when a buildings supports fail because of overloading. I am pretty sure it only happened when I had the factory barrel in. Not very many are like that and I only shot about one mag through the factory barrel. I believe that I am going to buy the Jarvis barrel. I read a really technical sounding report, way over my head, that stated the 4140 chrome moly steel used by Jarvis is a superior steel in every way for a gun barrel. I found the report when I was googeling gun barrel steel. Actually it was 416 stainless vs 4140.
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Old 03-06-2012, 13:43   #34
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That is interesting. Is it more a scratch or cut than a dent. It is in the same place. Check the chamber for a ridge. Other than that I would have to say it is done during ejection. Don't know.
Mark a case with permanent marker. See if this is on the bottom or top or.....?
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Old 03-06-2012, 13:44   #35
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I forgot to mention that the Wilson Combat recoil buffer after only around 100 rounds has started to split in two places. They said it would be good for about 1000 rounds.

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Old 03-06-2012, 13:45   #36
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Mark a case with permanent marker. See if this is on the bottom or top or.....?
The ridge is higher on the bottom side of the case. It kinda seems like the upper portion of the case is being pushed into the lower portion of the case where there is no chamber support.
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Old 03-06-2012, 14:05   #37
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The ridge is higher on the bottom side of the case. It kinda seems like the upper portion of the case is being pushed into the lower portion of the case where there is no chamber support.
Do you have a way of checking the length of the unfired brass?
If it is too long, it shouldn't fit the chamber and shouldn't fire, but....?

I would also suggest measuring the unfired brass in comparison to fired brass.

I would also suggest shooting a standard 45ACP load to compare how the this particular brass expands with increased pressure.

BTW, I don't know what is going on, I am hoping that by measuring the brass, I will get an idea.
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Old 03-06-2012, 14:37   #38
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Unfortunately I do not have an outside micrometer. But I can say that it is new Starline 45 Super brass loaded by Buffalo Bore. I just ran another magazine through the Lone Wolf barrel and no problems, all smooth. So I am going to have to assume that the lack of support from the Glock factory barrel is causing the case to crumple just enough to leave a funny line.

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And there is an ever so slight bulge just under each line or "indentation", but not above the line.

I guess that we can call the unsupported area of the case the "subduction zone".
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Old 03-07-2012, 08:51   #39
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I sent an email to Underwood Ammo Co. and this was the reply:

Ronald,

That is definitely a round we will be releasing. We are currently looking
into test firearms for the 45 Super. May I ask what you use and if you know
of any drop in conversions for either a Glock or a 1911?

Thanks!
Kevin

So, things are definately moving in a positive direction for 45 Super!
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Old 03-07-2012, 15:37   #40
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nice!
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Old 03-08-2012, 17:54   #41
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Old 03-31-2012, 16:49   #42
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I forgot to mention that the Wilson Combat recoil buffer after only around 100 rounds has started to split in two places. They said it would be good for about 1000 rounds.

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They lied! (I threw all of mine away. These things don't belong in a Glock.)
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Old 04-01-2012, 08:44   #43
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They lied! (I threw all of mine away. These things don't belong in a Glock.)
Yeh, especially at $10 a piece!
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Old 04-04-2012, 05:57   #44
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I realized that my long barrel w/comp had very quickly become a drawer ornament so I put my Dremel to work and now I have a very nice 45 Super barrel for my EDC.

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From 6.61" to 5.25" with the flick of a switch.
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Old 04-08-2012, 14:11   #45
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Hi guys, HAPPY EASTER!
Just happened on this thread. I have shooting and working with the .45 SUPER in my 21SF for about a year. Here is my set up on my gun. I take no responsibility for your gun.
Lone Wolf 6" un-ported barrel,new Starline .45 Super brass. SS guide rod, un-cap. ISMI 22lb. recoil spring.
230gr. Rainier JHP. slugs 1100-1200+FPS with various loads. Fun round. Packs a wallop!
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Old 05-10-2012, 11:25   #46
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Well, I finally went "all in" and converted my G21 to 460 Rowland. But I seem to be having the same feeding issue, that I did with 45 Super, so I ordered an 11 coil magazine spring. If the extra power mag spring don't help then I guess I'll spend the money and get the $95 Sprinco Cor Bon unit.

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Old 05-11-2012, 16:41   #47
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I have my super feeding just fine. Extra power mag spring and a Storm Lake barrel. I am running a 24# spring on a SS rod. reflex264
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Old 05-12-2012, 09:51   #48
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I decided to just spend the money and get the Sprinco unit. $95(includes p&h).

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Lone Wolf Distributors seems to be behind the 8 ball right now with thier shipping. I ordered the mag "spring" three days ago and it hasn't left thier warehouse yet. I ordered the Sprinco yesterday and will have it on Tuesday. I guess we just have to take it the way it's dished out and then ask for seconds.
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Old 05-12-2012, 09:58   #49
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I have my super feeding just fine. Extra power mag spring and a Storm Lake barrel. I am running a 24# spring on a SS rod. reflex264
You got the 6" barrel or stock length? You "rollin your own" or using store bought ammo?
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Old 05-12-2012, 11:04   #50
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6" barrel. Using Buffalo Bore and rolling my own. Love it. reflex264
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