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I read on an AR website that to improve a trigger, apply a mild abrasive paste to the contact points and dry fire. I figured I would try it and see if it made any difference. I used some automotive rubbing compound, applying fresh with each pull of the trigger for 15 pulls. I had to strip the lower to get it clean, but once re assembled and lubed, it seemed to make a difference.

The biggest difference was in the first stage. It was noticeable smoother and seemingly a lot lighter. The break in the second stage was very crisp but since I don't have a trigger gauge, I can't say if it is lighter for sure, but it felt like it. It was much crisper and felt much much better.

For a small amount of time I thought it was worth it.
 

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Interesting. I guess you wouldn't have to worry about taking too much off like if you were stoning it.
 

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The Bill Springfield trigger job changes the angle of the seer to trigger slightly as well as polishing. Somewhere else it was posted that the current angle of the seer actually makes the trigger move back against the spring until it breaks. I can't vouch for that but the trigger is certainly smoother as well as lighter now.
 
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