Fine i'll go first. would highly recommend to any geissele owners with pins walking/backing out. - KNS Precision AR15/M16 .1550 Diameter Gen G Mod 2 Non-Rotate Trigger/Hammer Pins

Had my Geissele hammer pin walk out on me twice when training/plinking. Contacted Geissele about it and got "It's normal for the hammer pin to move slightly and pins walking out could be from triggers being installed wrong, tolerances or egged pinholes." (Lower: Smith & Wesson M&P Trigger: SSA-E) Bought the Gen G model to test out since no one has reviewed it yet. Had no issues whatsoever in the 800-1,000 rounds with them so far. Honestly, KNS Pins complement Geissele Triggers without a doubt, they stabilize the trigger better than stock, and is a must have to stop pins from walking out.