Papalondog: Pardon my slow reply to you as well.
I have noted that Eley hollow-point ammo suggestion and will look for and try it.
I would appreciate a link or direction to a source for that ejector spring.
I am new to Sako rimfires!
1/4" groups at 50 yards IS impressive with a rimfire.
Keep up the good work.
Hold into the wind
VarmintGuy