Howdy from Sacramento area.

Longtime lurker. Great information!
I have a 10fcp-k in .223 that has always had weak ejection.

After reading posts on this forum, I removed the ejector, and sure enough I had the old style, without the little tail extension to keep the spring from deforming.

I have since ordered a new ejector spring (Savage p/n 103611), a new ejector (Savage p/n 100129), and a .140" dia. detent ball for the extractor (on eBay for $2.77 including shipping).

I hope to report back with my findings after installation.

Thanks to all for the great info on this (apparently common) problem and its solutions.