Help finding gp100 crunch

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Boriqua

Member
Joined
Jun 4, 2018
Messages
3,424
Location
East Mesa
I somewhat recently bought a GP100 w a 6" barrel. I have had GP100 with a 3" barrel for a few years and is one of my very favorite guns. If you are a Ruger guy then you know that they come out of the factory in different states of finished.
My 6" was basically devoid of oil and the cylinder creaked like hell. I fixed that and did a light polish on the internals based on a youtube vid being careful not to touch the single action. I also installed a 10# hammer and Trigger spring.

The trigger feels very nice when pulling but if you let it out slowly it is gritty as hell. I checked and there is no such thing on my 3" but ... I only have maybe 150 rds through my 6" and probably 500 or so through the 3".

So if you have messed with your Ruger I am looking for advice. I think its one of two things ..
1. The hammer strut was a bit gnarly along the edges. It appears to be a stamped piece and the 4 corners are a fair bit rough. When I had it apart I hit it some with a buffing wheel and rouge but I think I may have to be more aggressive to take the sharp edges down. I think when the spring is decompressing slowly its catching the rough edges??

or

2. I keep reading about shims. I have the 2 Rugers I have and had one other and none had shims and all shot more than fine .. but .. could shims answer the crunch?

Any advice or thoughts would be appreciated.
 
Pull it apart and look at the trigger return spring. Look to see if there is any grit or metal dust in the channel.
 
smithers599 said:
Pull it apart and look at the trigger return spring. Look to see if there is any grit or metal dust in the channel.

Thank you brother that was it!! The hammer spring doesnt actually decompress on the trigger release .. DOh.

I put a brass cleaning brush on a drill and ran it in the trigger spring channel and then a swab on a drill and finally cleaned the channel with solvent and a q tip and good to go.

Off in an hour to give it some love.
 
Took the big boy out today and that little extra smooth really was very nice. I was killing it at 26 yds!
 
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