What ammo did you use? Notwithstanding the other issues you mention, finding the "right" ammo seems to be a big (if not the biggest) determining factor in a rimfire rifle's accuracy and consistency.
What all have you done to the Boyd's to fit the action and barrel ... bedding ... pillars? My Boyd's for my CZ came in and I had to open the channel up a little because it was touching in two small spots about 2" in front of the action.
What rest/bipod are you using? Are you using a rear squeeze bag
I had the FVSR, its a great rifle. If anyone tells you that the CZ 452/455 is a lot better ? Ive had both, I think they shoot the same and proved it years ago.
Certainly sounds like you know a whole lot more then I do about rifle scopes, I used to compete with my Mueller Target and it served me very well with its fine cross hairs and repeatable adjustments. There is a club here in Salisbury that is still hosting 50 yard rimfire comps and they are indoors with nice shooting benches if anyone is interested. They have two different rifle classes, unlimited and the sporter class. All rifles like the Savage, Ruger and the CZ are considered sporter rifles and dont compete with the high dollar unlimited's. Fun bunch of guys to shoot with and always willing to help out new shooters. here is a link if anyone is interested.@Lager I plan on trying out some match ammo after I get my Oculus out of jail. I also want to get a new scope, this is really my training rifle, I need to really get a mil with mil adjustment scope. Thinking about doing the SWFA SS 10x to match my 6.5grendel AR that should be here any day.
I have a Vortex Crossfire 2 on my Kidd 10/22. This scope I've had awhile does ok, but today it wasn't working with my brain measuring the POI in mil and making adjustments in MOA.