My first experience tinkering with 1911s was when I was in the army in Germany in 1992. We were about to switch out 87 1911A1s for new in grease M-9s. I had heard all the stories, 1911s are basically slingshots, you are just as likely to get a hit with a wrist rocket throwing 230 gr bullets, etc. We were going to one more range with the old .45s before we turned them in. I told the armorer I didn't want to qualify with a 1911, because I didn't think I could hit anything. He told me to look close, he pulled out what I later realized were a new barrel, link and bushing, and installed them on a pistol. He told me when we went to shoot, he would make sure I had that one. Magical, 39/40.
I asked him why we didn't fix all of them, and he said that the army had given up on them, and they were so old that as long as they fired and functioned, no one cared how accurate they were. Soldiers weren't trained to shoot that well anyway. If he asked for new triggers, barrels, bushings, and links for every pistol in the rack, they would tell him that there was no reason to fix pistols that were about to be scrapped anyway.