Before I bought my Auto Ordnance, the only 1911-type pistol I had was a Colt 1991-A1. I had reloaded about 300 cartridges with some 230 grain LRN bullets and was shooting them in the Colt, and they worked fine.
When I got the AO I took it to the range with a bunch of 230 grain FMJ factory rounds and my reloads. The reloads that chambered fine in the Colt would fail to chamber about every 3 rounds, but I could give them a little bump on the back of the slide and they'd then chamber. Hover on one round when I gave it the bump, it still didn't chamber and actually got stuck to the point that I couldn't work the slide to eject it.
That's when I was able to demonstrate to myself the utility of the G.I. recoil spring guide. I braced the very bottom of the slide against the bench at the range, right at the bottom of the recoil spring plug where it was clear of the bushing, then gave the rear of the grip frame a good hard bump with the other hand. Popped that stuck cartridge right out.
I took the rest of my reloads back home and gave them the plunk test in AO barrel, and I discovered that the bullets were not quite seated as deeply as the AO liked them to be. So I adjusted the bullet seating stem in my reloading die to seat them a smidgen deeper, plunk-tested them again until the passed, then ran them all back through the seater die again. Then they worked fine.
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