I have had experience with CZ check powder burners .22 and .416 Rigby. Finish on them is a little rough compared to US products but workmanship as far as design and function leaves nothing to be desired.
I likewise have a tendency to analyze, analyze, analyze then buy and wonder, wonder wonder if item Y would have been better. I am new to air guns but have owned well over 300 powder burners at one time or another. At this point I am thinking strongly about a Texas Air Force utility rifle as best...
Been hunting and plinking all my life first a DaisyBB gun, then .22 at age 12, powder burners by the 100's over the years and now onward to PCP. I now am also interested in the proverbial single hole.
Shooting the Challenger pro with 38.6 graine slugs at 100 yards, haven't found the single hole...