I bought a CZ455 as I wanted to try the 17HMR. It came with a .22 bbl. I have other 22's.
It's very accurate with the 17. The 17 has more range than a 22 and is legal in CT state forests.
The Winchester M75 Sporting's action is not nearly as thick or heavy as the 455 however the CZ's stamping of it's name etc. is course and not ground and polished smooth.
The 455's plastic magazine sticks out at the balance point.
