I'm a new owner of a very nice condition, used STI Target Master. In getting familiar with the pistol, I couldn't help but notice the extreme ease to cycle the slide by hand...racking the slide. Much reduced effort compared to several of my 5" guns with "std" recoil springs (16#-17#). Anyway after some searching on line, I found info that STI used 14# springs in their 6" 1911 pistols. Can anyone here verify that? I'm not sure what I have in the gun currently. Maybe the previous owned changed it to something lighter for some pet light load. I do have a brand new Wolff 14# spring and tried it out in the gun. Feels very similar, if not the same. But not positive.
So, now the real question. Having not shot it yet, and not wanting to damage anything, I am looking for a lighter loading for the 200 gr LSWC that will reliably cycle the slide. And lastly, if 14# is std for the Target Master, will firing factory ball ammo be too much for it? Or in other words, is the Target Master only for target loads? I have used 4.3 and 4.8 gr of WST and the 200 LSWC in my 5" guns. While not hot, both seem a bit stout for the very light feeling spring in the STI.