So my MKIII Hi-Power is my favorite 9 I own, but it began misfeeding a year or so ago and I can't figure it out!
I bought it a few years ago, and the first 2-3000 rounds it was unstoppable. Any brand and type of ammo both fed and ejected flawlessly. Between a year ago and 6 months ago, the issue has progressed to the point that this thing is useless.
2 months ago I replaced the recoil spring with a 17lb Wolff but didn't get a chance to get to the range to test it until yesterday... I almost put it away after the first mag since it was worse than a single shot pistol, but id already thrown away the cardboard ammo box and didn't have another 9 with me, so I shot the rest of it. 42 of the 50 rounds misfed.
When I rack the slide it feeds perfectly, no hang ups etc. but when it tries to feed itself it won't go into battery. For the first few months this happened once or twice a mag, and I could use one finger to push the slide the rest of the way... Now I have to give it a tiny pull back before it will feed(full rack=double feed), almost every shot. I took it apart, lubed and cleaned it completely, no change at all. The round looks jammed in almost a 45* angle between the feed ramp and the magazine.
I've tried the following ammo over the past year, all with the same issue. None is better or worse, none will feed. I have not tried any hollow points though...
WWB-115g fmj
S&B- 115g and 124g fmj
Fiocchi- 115g and 124g fmj
PMC 115g fmj
And no, I don't have a buffer in the gun, I bought one, but it did not fit in any way... Must have been for another model or something.
Any ideas?