I have a Model 111 with a non-accutrigger and I'm trying to lighten the trigger pull weight. I have managed to get the pull weight down to about 3 1/2-4 lbs by screw adjustment. Can it be lightened further(I'd like 2-2 1/2 lbs) or do I or can I replace it with an aftermarket trigger...if so,any recommendatons?? Thanking you in advance for your advice...respectfully....gpoldblue