While trying a new stock on my 110E 7mm Rem Mag I noted the bolthead retaning pin had broken. The bolt wouldn't work, and I noticed it lodged in the bolt raceway, not letting the bolt rotate. I was able to dissassemble the bolt and extract the whole bolt and recover the broken parts.
Looking up online I note that Midway sells a small and large one, apparently differing by date of manufacture - 1999 onwards.
The large hole .150" prior to 1999 and the 0.100 one after that.
I called Savage and was only told no further information was available except that the gun based on the SN was manufactured prior to 1995 and to call Numrich.

Numrich has a "Bolt Head Retaining Pin, Firing Pin Hole 0.140"

Anyone knows of all the guns prior to 1999 had the large hole pin, I can easily confirm with calipers that it is not the 0.1, but not sure if the Numrich 0.140 would fit better than the Midway 0.150?

Thanks