i had it happen with the cheap +2's i got. i think they are Korean made copies.
its a shot in the dark...but if your friend still has that five seven to trade i have an FN .45 that i will gladly trade him...let me know
Yes I have 3 of the for glocks and keltes and only use them for pratice .
I got the G29 and have not had that problem. Do you have the Pearce extender?
Thank God I'm alive!