I have used many trigger/hammer pins from PSA and have yet to have an issue. Just saying. I am not sure who makes the ones they sell, but you can bet that several other companies sell the same ones.
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I have used many trigger/hammer pins from PSA and have yet to have an issue. Just saying. I am not sure who makes the ones they sell, but you can bet that several other companies sell the same ones.
I prefer 3 groove pins especially if you are concerned about pins working their way out of the lower.
FYI- the center groove is for the hammer, and the outer two grooves are for the trigger. The two hammer spring legs ride in both outer grooves of the trigger pin and I have NEVER seen pins walking out with a three groove pin (two groove pins only have one leg of the hammer spring leg retaining the trigger pin). I have seen a handful that had pins walking and they had two groove pins in a oversized lower hole.....can also occur if pins are undersized in diameter.