Originally Posted by Smith-&-Who

I was scrolling through the list of Sigma parts and came across the Wolff Guide Rods and Recoil Springs. I was just curious what the purpose of the reduced power recoil springs were for. To me it sounds like you may end having a FTF problem once the spring is broken in. What's the purpose for the aftermarket rods & springs and if there's anybody whose purchased one of these, have you had any problems with them?