That's what I did. I had a buddy who is REALLY good with a TIG welder tack weld more material into the pin hole recesses and then I filed them down to a tight fit with a 1/4" round file. He was so good with the TIG (low heat setting) that the paint only burned/bubbled-up about 2-3/16" around his welds. So little in fact that I simply sanded the areas down and hit them with some flat black hi-temp BBQ grill paint. It all hides under the stock cap so you can't see it. I'm happy.
I put a pea sized dot of black silicone rubber on the receiver just a bit higher than the mag release pin then covered the dot w/ a small piece of saran wrap. Slide the trigger group 'almost' in to place flattening the silicone rubber but leaving it a little high to give a bit of a compression fit once it's cured. Allow a couple of days for it to cure to the center (peel the saran slowly to check the cure. In the end you have a mold-in-place custom fit that eliminates metal to metal contact./Bob
Hey thats sounds interesting. I just checked out how the movement affected function and I really didn't notice any problems but still..... it bugs the F___ out of me. I will keep your trick in mind when it comes time to "pay the piper "
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