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Old 12-06-2011, 10:00 AM
laurent laurent is offline
Join Date: Sep 2011
Location: Switzerland
Posts: 121
Trigger creep - Dangerous?

I have a 90-91 Series 80 that scares me some.

I retired all the FP safety parts because the pull was real mushy. The 2 levers in frame have been replaced by an insert and the FP block and spring retired from the slide.

The gun functions perfectly so. The pull is still on the heavy side (didn't measure yet), but it has a definite creep: when I pull the trigger, it begins to move back smoothly, then it touches the disconector/sear and the resistance is heavier. Then - now it's special IMO - there is a sort of creep or step, the trigger moves slightly further and then the hammer falls.

If I stop pulling the trigger after the "step", the trigger moves forward normaly. If I pull the trigger back again, there's no "step" anymore and the hammer falls with a normal pressure. In the same condition (trigger forward after "setting the click"), if I pull the hammer slightly back (it is already cocked, of course), I hear another "click". Now, if I pull the trigger again I feel the creep/step thing already.

IMO, all the previous indicates that the sear doesn't move completly back if the trigger pull is stopped. And that it moves back in full engagement if the pression of the hammer is released.

I already checked the surface of the disconector and deburred the leg of the sear spring. I also applied the thumb safety: it appears to pull the sear back in full engagement. I also shaked the gun and slammed it (with the palm) in "click condition": the hammer didn't drop.

My question are: what does it tell me about the sear-hammer engagement?
Should I have the gun checked?
What can I don to get rid of the creep/step?

Thanks in advance.

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Old 12-06-2011, 10:26 AM
OnTarget1911 OnTarget1911 is offline
Join Date: Mar 2006
Posts: 615
I would

Take the gun to someone you trust, hopefully a smith, and have the ignition parts inspected. There is a snag or burr somewhere. Also, the creep and vagueness of the trigger alone would warrant a good trigger job on the gun even without the 80 parts removed.

"Whenever a strong man, fully armed and equipped, is guarding his own castle, he enjoys peaceful possession of his property" Luke 11:21
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Old 12-06-2011, 10:30 AM
log man log man is offline
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Location: Riverside County, CA
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You've proven that the S80 parts weren't the culprit. Funny you feel scared of it and removed a safety function.

Warning, do not remove any material from your pistol or any of it's parts if you do not know the result and it's consequences! gun....gun dangerous...Email: [email protected]

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Old 12-06-2011, 12:31 PM
rex rex is offline
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Join Date: Jan 2001
Location: S. FL
Posts: 3,137
You've proven it isn't dangerous by smacking it without a hammer drop.Your click is probably the sear snapping part way out and hanging up,more pressure releases it.I have a Colt a little older than yours that does it but very faintly.Someone played with it before I bought it and it hangs right at the sear's secondary cut,no big fix but I just haven't screwed with it.I don't even feel it unless I target shoot,which I rarely do.

Anyone that knows 1911s can fix it pretty easily.

PS.While they're in there the FPS can be put back in and you'll never know,again if they know what they're doing.I'm not a huge fan of the system but it does give piece of mind if something does happen.I've never dropped a loaded gun but there's Murphy and all.Someone did a drop test a few years ago and had sporatic ignition down in the 5ft range,that's about a holster snag and a cartwheel out of your hand landing just so (saw that happen but it was in dirt).Poor muzzle of that gun was beat to death by the end of the test.

Last edited by rex; 12-06-2011 at 12:44 PM.
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Old 12-06-2011, 12:40 PM
bdavis385 bdavis385 is offline
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Join Date: Jun 2006
Location: Seattle
Posts: 6,509
An often missed element in creep is the disconector having excessive movement and/or need cleaned up (including the tunnel). Unless you really comfortable, it is something a good smith should look at.
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Old 12-07-2011, 05:16 AM
laurent laurent is offline
Join Date: Sep 2011
Location: Switzerland
Posts: 121
I'm more comfortable now. But I'll do some more checks when time allows it: sear spring pressure, disconnector, sear and hammer hooks... Rather to try to reduce / suppress the creep.

I'll a few "press fit" to (dropping the hammer with some thumb pressure on it).

Thanks for the answers.

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Old 12-07-2011, 03:23 PM
skylerbone skylerbone is offline
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Join Date: Jan 2010
Location: Davenport, IA
Posts: 2,024
That's known as boosting the hammer but won't likely help mate parts if you've already put a few hundred rounds down range with it.

Replace the parts you removed, put that plate in a ziplock and leave it there then clean everything out. If things still don't feel right take it to a competent smith to have new parts installed.

I was not a believer in the necessity of FPB safeties but I'm better now. Something about reason not being automatic but learned.
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Old 12-07-2011, 03:28 PM
SuHu SuHu is offline
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Join Date: May 2009
Location: Endor
Posts: 3,863
...Trigger creep is dangerous?
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