they should get better and tighter, make sure you clean for copper, out of your bbl. here are my groups for comparison; you can clearly see how it begins to open up, as the weight increases.
Now then, these are 100 yds groups, with a 24 x scope.
also the bore has had a molyfusion job, which i say improves consistency, at a minimum.
and yes , some of those winny groups, are in the same hole. I give all kudos to the rifle, and the molyfusion job, and the cz single set trigger, not me. Also, if you do not know sir, you can cock the bolt, then pusht the trigger forward, until it clicks. this will set the trigger right on the edge of breaking. so you barely touch the trigger, and it will shoot. Also, if you look up in the trigger guard with a flash light, you will see a little slot head screw protruding down, this will enable
you to set that single set trigger, lighter or heavier in pull. In case you didn't know this stuff,
which is why I wrote it here... I had mine set down to go off , with just mind control...