Originally Posted by Gunhacker

Probably the most fragile and trouble prone part in 3rd gens is the trigger free play spring that's affixed to the trigger draw bar.

I keep a few of them and the rivets on hand as you can never tell how long they'll be available.

Aside from the usual recoil springs, the trigger free play spring is the only thing I've needed to replace on my 3rd gens... I should probably add a spare extractor and spring while I still can to my parts stash.

Brownells:

spring: # 940-000-589WB

rivet: # 940-000-182WB