5 lbs calculated by my RCBS set off gauge. I don't know if Sig offers a trigger improvement offer for their SAO pistol, but It might be really worth a toll free phone to rind out. By the way, I did Have got a T.E.P. completed on my P227 for https://sig-sauer-p220-legion-da33335.imblogs.net/76758815/a-secret-weapon-for-sig-sauer-p220-cost