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Posted: 11/14/2011 11:40:11 AM EST
[#1]
So Glock told you to ship it back, but they wanted the whole gun, so you didn't? Now you are complaining because a firearm that you expected to have problems, had a problem?
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Posted: 11/14/2011 11:40:50 AM EST
[#2]
I have a unfired 20 stored for a future relocation to the Montana wilderness (answering the "why 10mm" dolts).
Has anyone ever been seriously hurt by a Glock KB? I've a lot of accounts but the design apparently absorbs a lot of the escaping pressure, haven't seen a serious injury reported yet. Is there a report of decent injury I've missed? I plan on sending mine to Robar or someone else for a grip reduction and a KB would seriously piss me off as Glock would probably deny a replacement.... 
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Posted: 11/14/2011 11:41:00 AM EST
[#3]
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Always thought a powerhouse like a 10mm would be better in a steel framed 1911 type pistol. Agreed, the 10mm belongs in a steel framed pistol... OP, I hope you do send in the 'remains' to Glock for inspection, I'd like to hear their thoughts on the feedramps... Like the early Delta's that cracked? Like the Witness that cracks? This is an ammo issue, not a gun issue. DT is producing loads that are not safe in early G20's. The early Delta's did suffer stress cracks but once the rail section above the slide stop was removed the cracking issue disappeared... I'd surmise it allowed the weapon the ability to flex, but either way, the DoubleTap is indeed nuclear grade boom... So is it reasonable to assume that for one of these early Delta's, super hot loads like DT makes is unsafe or might damage the gun? That's all I'm saying, DT is making ammo that's NOT safe to fire in all the pistols chambered in 10mm. I can't disagree, the early 10mm's were subject to damage due to their rail not cut out and a DT round might indeed cause damage. Later versions of the Delta with the cut out don't seem to show the same incidence of cracks. My personal Delta is only an example of one but it is a later version with the cut and is running strong with near 1k through it, but I admit, I handload and I'm not 'quite' at DT levels...  Great, thanks for your input. 
If this would have been a steel frame gun his injuries may have been worse. |
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Posted: 11/14/2011 11:41:08 AM EST
[#4]
Ouch. Glad you're ok OP.
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Posted: 11/14/2011 11:44:25 AM EST
[#5]
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I've had a number of clock-aide drinkers tell me their gun bulges brass. Apparently "Clock perfection" involves bulged brass due to oversize feed amps. oversize feed amps make a pistol more reliable but there is a limit to what gap the brass case will span before it bulges. BULGED BRASS IS BAD NEWS Brass flows like putty under load, that's why you can form brass for wildcat rifle cartridges by fire forming. If your brass is pregnant looking, then don't shoot the gun. I have fired numerous Glock10mm and 9mm for years and never had bulged brass. Hot hand loads, factory etc. That said I would not fire a load that was known to have bulged brass, it's just asking for trouble. |
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Posted: 11/14/2011 11:49:48 AM EST
[#6]
Quoted: I've had a number of glock-aide drinkers tell me their gun buldges brass. Apparently "Glock perfection" involves bulged brass due to oversized feedramps. oversided feedramps make a pistol more reliable but there is a limit to what gap the brass case will span before it bulges. BULGED BRASS IS BAD NEWS Brass flows like putty under load, that's why you can form brass for wildcat rifle cartridges by fireforming. If your brass is pregnant looking, then don't shoot the gun. I've shot a lot of Glocks in 9mm, .40, and .357SIG and none of them bulged brass. Even with reloads in 9 and 40. |
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Posted: 11/14/2011 11:57:11 AM EST
[#7]
It could have been worse (thank God it wasn't).
Glad you are Ok. 
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Posted: 11/14/2011 12:02:54 PM EST
[#8]
OP you could have just done a search "doubletap kaboom" you would find a bunch of glocks that were blown up...
Your Google Fu is weak but your luck you're not hurt bad. |
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Posted: 11/14/2011 12:06:33 PM EST
[#9]
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so you put back in a barrel that was unsupported, and knowing that fired it? WOW just WOW.. I once drove a car with only two lugnuts holding one of the wheels on. I had similar results as the OP did. 
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Posted: 11/14/2011 12:08:39 PM EST
[#10]
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so you put back in a barrel that was unsupported, and knowing that fired it? WOW just WOW.. Do you even know what you are talking about? |
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Posted: 11/14/2011 12:09:55 PM EST
[#11]
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Good to see you will heal up fine. Sorry about your gun though. Does Glock offer any kind of warranty for something like that ? I'll send it to Glock for them to evaluate, but I don't expect them to do anything. I had every opportunity to avoid the accident. I expect Glock to repair or replace the pistol. Glad that you are okay, but your story and others like it are why I have no interest in the 10mm. |
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Posted: 11/14/2011 12:14:14 PM EST
[#12]
Incredible..........OP, I'm glad you're OK but you were really asking for it. God loves fools because you got off easy.
I've had Glock 10mms since they came out, somebody fucked with that barrel. For a few years I shot it heavily, the only parts I managed to break were two trigger springs, a striker tip, and of course the magazines wear out. It is a perfectly durable weapon. The 20SF is full sized Glock perfection. The 1911 will eventually get trashed in 10mm, no big deal as it is expected, it is the nature of the beast. |
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Posted: 11/14/2011 12:19:01 PM EST
[#13]
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Incredible..........OP, I'm glad you're OK but you were really asking for it. God loves fools because you got off easy. I've had Glock 10mms since they came out, somebody fucked with that barrel. For a few years I shot it heavily, the only parts I managed to break were two trigger springs, a striker tip, and of course the magazines wear out. It is a perfectly durable weapon. The 20SF is full sized Glock perfection. The 1911 will eventually get trashed in 10mm, no big deal as it is expected, it is the nature of the beast. I believe the 20 and 29 were designed from the ground-up around the 10mm cartridge. Not just a rechambering of a 9mm or .45 pistol. My G29 has been a solid shooter since 1997. |
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Posted: 11/14/2011 12:21:01 PM EST
[#14]
Heaven has opened its arms to another Glock 20. Goodnight, sweet prince.
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Posted: 11/14/2011 12:22:16 PM EST
[#15]
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Incredible..........OP, I'm glad you're OK but you were really asking for it. God loves fools because you got off easy. I've had Glock 10mms since they came out, somebody fucked with that barrel. For a few years I shot it heavily, the only parts I managed to break were two trigger springs, a striker tip, and of course the magazines wear out. It is a perfectly durable weapon. The 20SF is full sized Glock perfection. The 1911 will eventually get trashed in 10mm, no big deal as it is expected, it is the nature of the beast. I believe the 20 and 29 were designed from the ground-up around the 10mm cartridge. Not just a rechambering of a 9mm or .45 pistol. My G29 has been a solid shooter since 1997. Yep, someone at Glock, IIRC Gaston maybe, is a 10mm lover. |
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Posted: 11/14/2011 12:22:24 PM EST
[#16]
Somebody had to have hogged out that feedramp/chamber at some point.
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Posted: 11/14/2011 12:22:47 PM EST
[#17]
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so you put back in a barrel that was unsupported, and knowing that fired it? WOW just WOW.. Do you even know what you are talking about? nope not a damn thing.. 
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Posted: 11/14/2011 12:23:42 PM EST
[#18]
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so you put back in a barrel that was unsupported, and knowing that fired it? WOW just WOW.. Do you even know what you are talking about? nope not a damn thing.. Fatty is never wrong!!
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Posted: 11/14/2011 12:28:21 PM EST
[#19]
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Glad you are okay. Seriously. Please tell you were wearing protective eyewear. Affirmative. Eye and ear protection. |
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Posted: 11/14/2011 12:29:54 PM EST
[#20]
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Why in God's name would put a barrel back in that gun that you had any doubts about? And why didn't you send it back in the first place? Posted Via AR15.Com Mobile At that time, I only owned two or three firearms total, and it was my primary go-to gun. I didn't want to give it up, and felt it was safer for me to simply order the KKM barrel. |
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Posted: 11/14/2011 12:32:14 PM EST
[#21]
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Out of curiosity... WhyTF weren't you wearing some gloves when you did this? (known likely defective firearm and a tendency to KB) Glad you weren't too jacked up because of it. Had I actually anticipated a failure, I wouldn't have tried testing the barrel in the first place. I had convinced myself it was bullet setback, and thought I was going to prove it. |
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Posted: 11/14/2011 12:32:23 PM EST
[#22]
Are the ATF goons coming for you now that you've posted the results of your grenade testing?
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Posted: 11/14/2011 12:33:38 PM EST
[#23]
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Colt Commanders in 9mm and 45 also cracked, as did Colt Gov't in all calibers. the square corners in the top of the slide stop cutout are just stress risers waiting to fracture. this is my Colt and many other 1911 companies now cut the rail bridge out. it wasn't just Delta's cracking. When you have that many manufacturers have failures in their guns with one caliber, that is what I would call a "hint". A hint? That you are boldly sailing towards the place on the map that features a frisky whale or Kraken? A place shrouded in the Fog of Awesome? A fabled land of mist and lore- a place that (those who have visited) call 10mmatopia? Anyhoo, OP how old is your recoil spring? Is it a factory assembly? I have never been too impressed with the chamber support on my G20 and I suspect the gun is undersprung. Good to hear you weren't seriously injured. get a 24# recoil spring for it I would have to do some digging to find the paperwork, but I believe it is a 24# Wolff captured spring on a stainless rod. |
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Posted: 11/14/2011 12:33:44 PM EST
[#24]
glad you're ok.
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Posted: 11/14/2011 12:34:20 PM EST
[#25]
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Interesting, I bought my G20 back in 91-92(?) S/N UT4xxUS and the barrel looks like your original one, with the two relief cuts on the sides of the chamber. I have never fired Double tap ammo thru it but have never had a case bulge at all, it was sent back in late '93 for the safety upgrade. Do you still have that same barrel? If so, can you post pics of the chamber??? |
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Posted: 11/14/2011 12:35:20 PM EST
[#26]
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so you put back in a barrel that was unsupported, and knowing that fired it? WOW just WOW.. This! you realized it truely was defective then decided to shoot it anyway. wwwttffff No, hadn't reached that determination yet. I suspected it, but then someone in a recent thread mentioned bullet setback causing over-pressurization. |
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Posted: 11/14/2011 12:36:19 PM EST
[#27]
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Can those of you with an early 2nd generation G20 do me a favor and post a photo of your feed ramp / chamber? Thanks! Can you post your serial number? I imagine the frame is toast and the serial number doesn't matter. I'll try to snap some pics of my early G20 for comparison. Last time I was at the range with a buddy shooting his G20. He loads up the mag hands it to another friend and he fires it. Mini-kaboom with the mag blowing out the bottom of the gun, springs and rounds going everywhere. He sort of chuckled and said, "that's twice with those reloads my mag has been blown out. Help me grab the parts for the mag and the rounds so we can shoot some more." I told him he was a damn idiot if he shot anymore of those unknown reloads after that happened. And then he had the never to say it was the second time it happened with the reloads!!! I made him throw that crappy ammo out... |
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Posted: 11/14/2011 12:36:23 PM EST
[#28]
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So Glock told you to ship it back, but they wanted the whole gun, so you didn't? Now you are complaining because a firearm that you expected to have problems, had a problem? Who is complaining? I never once complained. |
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Posted: 11/14/2011 12:37:38 PM EST
[#29]
Holy moly; glad you weren't seriously injured. Have you contacted Glock yet? (I haven't read all three pages so excuse me if this question has already been covered.)
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Posted: 11/14/2011 12:37:54 PM EST
[#30]
I'm not pointing the finger at anyone or implying anything by saying this, but that chamber looks like someone handed a can of FourLoko and a Dremel to a chimpanzee and said "hook me up with a feedramp polish job, bro."
If JMB himself had handed me that thing I wouldn't fire it. If any of my guns ever spits out a case that looks like the one in the OP, it's gonna get a barrel/bolt/slide/headspace check and some replacement parts before I even think about firing it again. Tag for pics of my G20 barrel and fired brass when I get some time this PM. |
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Posted: 11/14/2011 12:38:29 PM EST
[#31]
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Good to see you will heal up fine. Sorry about your gun though. Does Glock offer any kind of warranty for something like that ? I'll send it to Glock for them to evaluate, but I don't expect them to do anything. I had every opportunity to avoid the accident. I expect Glock to repair or replace the pistol. Glad that you are okay, but your story and others like it are why I have no interest in the 10mm. I believe there are FAR more similar stories that involve the 40 S&W. I was eager to post my story because it was the first 10mm kaboom I'd heard of. |
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Posted: 11/14/2011 12:38:57 PM EST
[#32]
I have a very early G20 (SR# UAxxx) and my chamber looks very similar to the OPs with the generous chamfer cuts just less tool marks. This G20 has seen some seriously hot hand loads (155gr @ 1475 f/s) when I worked up my loads but NEVER saw a 'Glock smile' like the one in the OPs post. Double tap advertises some high velocities but multiple people have shown them to be exaggerated by 150-200 f/s.
I suspect you had some DT ammo that was overcharged, a factory error. 
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Posted: 11/14/2011 12:39:46 PM EST
[#33]
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Incredible..........OP, I'm glad you're OK but you were really asking for it. God loves fools because you got off easy. I've had Glock 10mms since they came out, somebody fucked with that barrel. For a few years I shot it heavily, the only parts I managed to break were two trigger springs, a striker tip, and of course the magazines wear out. It is a perfectly durable weapon. The 20SF is full sized Glock perfection. The 1911 will eventually get trashed in 10mm, no big deal as it is expected, it is the nature of the beast. Someone before your post said their chamber looked identical to mine. EDIT: And the post immediately before this one So the only thing I can conclude is you are wrong. |
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Posted: 11/14/2011 12:41:38 PM EST
[#34]
cool large bold type, bro.
cool large bold type, bro. there, I FIFMyself. |
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Posted: 11/14/2011 12:43:07 PM EST
[#35]
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cool large bold type, bro. Makes it a hell of a lot easier for those who surf from their smart phone. |
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Posted: 11/14/2011 12:43:46 PM EST
[#36]
I'm on a mac and they load just fine for me...
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Kaboom pics aren't loading. Glad you weren't seriously hurt... Are you on a MAC? I am and they aren't loading for me. Non supported chamber. Double Tap. Maybe a bad combo. I've used a KKM in my G20 for years, even shot some DT, but that was 2005 vintage or so. |
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Posted: 11/14/2011 12:46:18 PM EST
[#37]
Pics posted in my first post, hope they help.
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Posted: 11/14/2011 12:48:19 PM EST
[#38]
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Holy moly; glad you weren't seriously injured. Have you contacted Glock yet? (I haven't read all three pages so excuse me if this question has already been covered.) Nope. Just got home from taking my daughter to the park to feed the ducks. On the way home I stopped by the UPS shipping hub to see how friendly they are about shipping handguns. They said no problem. I'll contact Glock tomorrow. |
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Posted: 11/14/2011 12:49:09 PM EST
[#39]
glad you are ok
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Posted: 11/14/2011 12:51:49 PM EST
[#40]
good luck
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Posted: 11/14/2011 12:54:14 PM EST
[#41]
I want a Star Megastar in 10mm Auto. That should be pretty sturdy.  |
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Posted: 11/14/2011 12:54:56 PM EST
[#42]
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why do people even bother with 10mm? For CCW or home defense a .230 gr .45 +p Ranger T will get the job done. Huge expansion great penetration, easy to control and .45 auto is cheap compared to 10mm Less holdover at 100 yards plus. Seriously
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Posted: 11/14/2011 12:56:14 PM EST
[#43]
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why do people even bother with 10mm? For CCW or home defense a .230 gr .45 +p Ranger T will get the job done. Huge expansion great penetration, easy to control and .45 auto is cheap compared to 10mm Less holdover at 100 yards plus. Seriously Yes, seriously. Also, retains energy out further than .45. |
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Posted: 11/14/2011 1:03:07 PM EST
[#44]
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why do people even bother with 10mm? For CCW or home defense a .230 gr .45 +p Ranger T will get the job done. Huge expansion great penetration, easy to control and .45 auto is cheap compared to 10mm Less holdover at 100 yards plus. Seriously Yes, seriously. Also, retains energy out further than .45. nevermind |
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Posted: 11/14/2011 1:14:25 PM EST
[#45]
Glad you are ok
The fact that you are able to post from behind a keyboard suggests that things could have been a lot worse. Maybe go the Colt Delta route next time
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Posted: 11/14/2011 1:24:33 PM EST
[#46]
Glad you are okay OP.
That ramp looks all kind of screwy, even if it is factory screwy. The one of the reasons deltas were known to crack frames was due to people insisting on upgrading to a full length guide rod or the "junky" plastic guide rod. The plastic guide rod was intended as part of the buffer system. FWIW I have shot a ton of the Double Tap hunting ammo though my Delta and Wesson CBOB and I NEVER had a case that looked like that. I am happy to take pictures if no one believe me.
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Posted: 11/14/2011 1:25:44 PM EST
[#47]
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I have a very early G20 (SR# UAxxx) and my chamber looks very similar to the OPs with the generous chamfer cuts just less tool marks. This G20 has seen some seriously hot hand loads (155gr @ 1475 f/s) when I worked up my loads but NEVER saw a 'Glock smile' like the one in the OPs post. Double tap advertises some high velocities but multiple people have shown them to be exaggerated by 150-200 f/s. I suspect you had some DT ammo that was overcharged, a factory error. http://i298.photobucket.com/albums/mm273/richardv308/Glock005.jpg Quoted:
Interesting, I bought my G20 back in 91-92(?) S/N UT4xxUS and the barrel looks like your original one, with the two relief cuts on the sides of the chamber. I have never fired Double tap ammo thru it but have never had a case bulge at all, it was sent back in late '93 for the safety upgrade. http://i1194.photobucket.com/albums/aa380/Peter_Tripoli/DSCF0441.jpg?t=1321310630 http://i1194.photobucket.com/albums/aa380/Peter_Tripoli/DSCF0438.jpg?t=1321310630 Both of these posts prove that the OP's barrel left Glock in that condition. I know it's hard to resist, but we can all stop posting our expert opinions on that barrel being tampered with after leaving the Glock factory. |
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Posted: 11/14/2011 1:26:52 PM EST
[#48]
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so you put back in a barrel that was unsupported, and knowing that fired it? WOW just WOW.. this... |
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Posted: 11/14/2011 1:28:35 PM EST
[#49]
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so the issue is clearly DoubleTap ammo I'd hate to point a finger at Glock OR DoubleTap. Winchester Silvertips bulged a little, but not to the extent of DT. So was DT brass too thin, too soft, or was it 100% a factor of the unsupported chamber? I believe that because Glock has changed how they machine the chamber area, maybe it is on them. My vote would be the barrel was out of wack |
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Posted: 11/14/2011 1:32:42 PM EST
[#50]
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The early Colt 10mm had a problem around the slide stop hole, the little piece of metal. They machined it out, and personally I haven't had a problem of frame cracking.
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Always thought a powerhouse like a 10mm would be better in a steel framed 1911 type pistol. Agreed, the 10mm belongs in a steel framed pistol... OP, I hope you do send in the 'remains' to Glock for inspection, I'd like to hear their thoughts on the feedramps... Like the early Delta's that cracked? Like the Witness that cracks? This is an ammo issue, not a gun issue. DT is producing loads that are not safe in early G20's. |
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