Some pics of my ‘95 Chilean 7x57 were posted in the Image Gallery on 29 Jan.
I kinda like the cock-on-close and wouldn’t think of changing it.
Check for bolt setback.
The Dayton Traistor COO triggers on some individual rifles are an absolute cinch to install and some are a real pain requiring quite a bit of fine fitting.
There is a reason they went to COO and virtually everyone prefers the COC. Kids and women, in particular, prefer the COO.