Lubricant for sear/hammer engagement?

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Lubricant for sear/hammer engagement? Empty Lubricant for sear/hammer engagement?

Post by Tim:H11 on Mon Nov 25, 2019 7:50 pm

How many of you guys here lubricate the sear and hammer engagement point and if so what do you use? I’ve heard a light coat of oil from some and I’ve also heard it’s best to use a specific lubricant or grease.. ???
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Post by DA/SA on Mon Nov 25, 2019 7:52 pm

TW-25

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Post by mustachio on Mon Nov 25, 2019 7:56 pm

I use Gunslick.
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Post by chopper on Mon Nov 25, 2019 8:06 pm

Molybdenum disulfide, super slippery stuff.

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Post by SW-52 on Mon Nov 25, 2019 8:07 pm

TW25B
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Post by JIMPGOV on Mon Nov 25, 2019 8:11 pm

"Molybdenum disulfide", CUT WITH MILITEC. I SAW TONY KIDD PUT IT ON MY BERETTA HE BUILT ME. I'VE BEEN USING EVER SINCE. JP

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Post by Tim:H11 on Mon Nov 25, 2019 8:34 pm

Okay new question: how often is application required?
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Post by kc.crawford.7 on Tue Nov 26, 2019 5:29 am

When you start feeling the trigger "differently" or when you completely clean the bottom end.  And of course I recommend TW25-B also.
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Post by DA/SA on Tue Nov 26, 2019 5:37 am

I've seen 4 to 6 oz reduction in trigger weight by just disassembling, properly cleaning, and reassembling a frame assembly sparingly applying TW-25 to the moving parts. 

There used to be a paper published by MilCom on how to properly clean parts and apply TW-25. Basically, if you can see white, you've applied too much. 

Put a tiny bit between your thumb and finger and rub them together and you'll understand.

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Post by Ed Hall on Tue Nov 26, 2019 8:15 am

I used to clean and lubricate with CLP before every match, but now I use moly and clean/lube a little less often.

The friction coefficient is different, depending on the lube, so make sure to adjust weight as needed.

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Post by Jon Eulette on Tue Nov 26, 2019 8:38 am

I'll second what Ed just said. Here's another thing to think about, it depends on what kind of trigger job you have. If you have a crisp trigger I would shoot the slickest oil I could find. If I shot a short roll that had feel or life to it I would use the thinnest oil or less viscous so that I don't lose the feel. As an aside, I have pistols that if you use a trigger shoe you cannot feel the roll anymore. So oil does have a very large play what your trigger feels like when you shoot it.
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Post by Tim:H11 on Tue Nov 26, 2019 11:06 am

Possibly a stupid question but has anyone tried white lithium grease? Just curious. I’ll have to see about getting some of that TW25B to try. Thanks all.
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Post by TomH_pa on Tue Nov 26, 2019 11:25 am

I have tried a lot of different lubes on the hammer/sear interface and they all work to some extent but as Jon says, they all have a different feel. I think the lithium will have a feel more toward oil. The other thing to consider is if you oil your gun a lot like I do, how will the lube you use act once the oil reaches it? Nearly impossible to keep the oil from the slide rail out of the hammer area. For me the TW25 and the oil I use play nice together.

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Post by bruce martindale on Tue Nov 26, 2019 3:31 pm

Some had recommended super lube, the synthetic stuff.

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Post by Steve B on Tue Nov 26, 2019 5:57 pm

I use Loctite moly anti-seize compound at that location and also where the sear spring contacts the disconnector and sear.

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Post by Aprilian on Mon Dec 02, 2019 3:16 pm

Last week I cleaned my lower and reassembled it with a thin moly assembly grease.   I shot it Saturday and didn't like the trigger feel (it seemed to have lost the roll).  So this weekend I completely disassembled everything again, cleaned it using Mil-Comm's cleaner and then applied a thin coat of Mil-Comm's TWB25 using their recommended mix 20% of TWB in 80% Isopropol alcohol in a spray bottle.   Wow, what a difference in the trigger feel, it has a nice short roll.  Now I know why KC recommends it.

I'm clearing all my other products off the bench now and ordered aerosol TWB25, which should get into the sear and hammer better than the pump spray mix for touch ups between cleanings.   Incidentally, I found the Mil-Comm revolver-branded can was cheaper per ounce than the standard aerosol - the formula looked to be identical.
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Post by farmboy on Tue Dec 03, 2019 5:40 am

DA/SA wrote:I've seen 4 to 6 oz reduction in trigger weight by just disassembling, properly cleaning, and reassembling a frame assembly sparingly applying TW-25 to the moving parts. 

There used to be a paper published by MilCom on how to properly clean parts and apply TW-25. Basically, if you can see white, you've applied too much. 

Put a tiny bit between your thumb and finger and rub them together and you'll understand.
Agree - important part to proper use.  If the parts are not cleaned properly  and then the TW-25 applied properly the expensive TW-25 acts like any other less expensive grease
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Post by -TT- on Tue Dec 03, 2019 12:03 pm

farmboy wrote:... the expensive TW-25 acts like ...

TW-25B is not expensive - properly applied a tube will last forever! I use it on everything - sear, slide, bolt, anything that slides across another surface. I like the 1.5oz syringe version best.

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