A polished feed ramp is nice, but the surface finish of the ramp matters a bit less than the angle and contour of the ramp.
The extractor claw in each of those pistols is probably unhappy with you over the steel cased Russian cartridges, poly coating or not. Chambers may be wearing prematurely, too.
Can't send you a Kimber 1911 as I am not a 1911 fan and I don't have any. I respect the 1911 design, but if I am going to carry .45 ACP, I am going to want more than just seven plus one, or ten plus one at best. Why? Because this was my introduction to "No, really, you *do need* a pistol."
My experiences since the LA Riots have done nothing but confirm that for some reason potential assailant only seem come for me in the super jumbo economy family size pack and not in singles or twin packs. Before you ask, no, I have no idea why.
“A polished feed ramp is nice, but the surface finish of the ramp matters a bit less than the angle and contour of the ramp. “
Actually, I’ve traced the feed issue on my 1911s to the design of the magazines more than the feed ramp itself. Polishing the ramp was part of a diagnosis, and that was done by hand with jeweler’s rouge and a Popsicle stick so as to not alter the inherent configuration of the feed ramp.
Basically, the 1911 was designed for FMJ ball ammo so it won’t feed squared-off hollowpoints reliably. They do just fine with the more conical hollowpoints.
Dont find fault with the 1911’s 7 round mag in that situation. There it is merely your means to the availability of the 12 gauge pump or AK with a drum mag in the trunk.
Situational awareness is always paramount.