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August 24, 2012, 06:38 PM | #1 |
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1911 colt delta elite (new model) fired "full-auto"
Can anyone explain this occurrence or shed some light on it: I was home from work out in the pasture and decided to fire off a full magazine +1 on top of my fairly new colt delta elite and half way through the mag the 5th and 6th round had to have come out full auto then regular semi again. Firing blazer 10mm 200 grain ammo, wolf springs 24lb, everything else stock. Why or what caused the burst there? Anyone?
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August 24, 2012, 06:45 PM | #2 |
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Field stripped and the only thing that stood out was excessive lube/oil was evident
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August 24, 2012, 08:08 PM | #3 |
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Did you look at the firing pin? All I can think of is maybe it got stuck sticking out and fired the next round when the slide came back into position.
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August 24, 2012, 09:36 PM | #4 | ||
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Quote:
Did you have a trigger job done? Quote:
Cheers, C
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August 24, 2012, 10:09 PM | #5 |
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Are you sure you didn't bump-fire it? No disrespect intended, I've done it myself.
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August 25, 2012, 12:39 AM | #6 |
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It wasn't a bump fire, there is no doubt. It was fast and it felt good and was on target both rounds, nothing close to a double tap or bump as far as speed was concerned it was def. automatic.
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August 25, 2012, 12:40 AM | #7 |
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Thanks creeper. Thank all of you for your input and time.
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August 25, 2012, 12:41 AM | #8 |
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The trigger is stock.
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August 25, 2012, 12:41 AM | #9 |
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Do not shoot the gun again. Send it to Colt for repair. Shooting it while knowing of the possibility it could go "full auto" could possibly lead to criminal liability.
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August 25, 2012, 08:29 AM | #10 |
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A light trigger job can lead to occasional doubling. If the disconnector is too short, the Hammer will follow the slide back down. If the trigger does feel light, a trip back to Colts is probably in order.
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August 25, 2012, 10:40 AM | #11 |
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Did you install the extra power firing pin return spring that Wolff includes with all of their recoil springs? The reason that the FP return spring is included is because the extra force with which the slide slams shut with an XP recoil spring could concievably cause the firing pin to travel forward under its own inertia and detonate the primer. This would be of particular concern in a gun without a FP block safety (I don't know if the new Delta Elites are Series 70 or Series 80 guns). If you haven't already, I would recommend installing the Wolff firing pin spring if you plan to continue using the XP recoil spring.
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August 25, 2012, 05:39 PM | #12 |
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ha ha Lol
'Do not shoot the gun again. Send it to Colt for repair. Shooting it while knowing of the possibility it could go "full auto" could possibly lead to criminal liability."
Really? Lol " 4. A bigger hole is a better hole." I beg to differ. |
August 25, 2012, 07:00 PM | #13 |
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@marano, look up the David Olofson case. A key point in that case was the strict application of the legal definition of machine gun, regardless of what caused it.
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August 25, 2012, 11:19 PM | #14 |
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^^^^^^^
This! |
August 26, 2012, 05:52 AM | #15 | |
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Burst
Quote:
Burst-fire requires that the hammer hold full cock until the slide is in battery, and then jar off for full hammer release. More likely that the sear isn't completely resetting and grabbing the hammer hooks right at the tips. It's also a possibility that the corner of the disconnect is poking through the back of the frame and hitting the back of the magazine, and the disconnect is staging the sear. A quick test can be done. Lock the slide back, and slam a magazine in with one round in it...release it...and fire the round. If the trigger pull is abnormally light...that's probably your bug.
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August 26, 2012, 06:35 AM | #16 |
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I had a USPc that did that. HK serviced it and said it was the firing pin.
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August 27, 2012, 10:55 AM | #17 | |
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My vote is for short reset bumpfire...
Quote:
He did say he could work the triger and move the reset and actuation slightly farther apat...but once I knew it was me and not the gun I just practiced more. Jay |
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August 27, 2012, 07:22 PM | #18 |
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im having a SA loaded govt from the 1980s doin something similar. when the slide is racked with the hammer in the cocked position it follows the slide to the half cocked position. its def the sear/sear spring/disconnector/hammer. so i would start there. and look at a book on how to troubleshoot the problem.
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August 27, 2012, 11:07 PM | #19 | |
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Quote:
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August 27, 2012, 11:09 PM | #20 |
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What I've done is reverted back to the original dual springs system the gun was born with and the fp spring as well.
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August 28, 2012, 08:41 AM | #21 | |
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Quote:
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September 7, 2012, 02:03 PM | #22 |
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A move back to original springs has remedied the issue.
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September 8, 2012, 01:27 AM | #23 | |
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Quote:
Did you determine that you had a battering problem when you change the recoil and firing pin spring or did you do it base on what you had heard or read on the internet. The Blazer 200 grain ammo is an emasculated version of the original 10mm loading and there should not have been a reason to change springs other than that R&R being the modification du jour with 1911's these days-especially with 10mm shooters. Bruce |
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September 8, 2012, 06:16 PM | #24 |
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Strike that. It did it again. Next move, replace hammer, disconnect and sear.
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September 8, 2012, 06:21 PM | #25 | |
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Quote:
Blazer is my mainstay ammo. |
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