I know zip about these.
Is the 452 really accurate?
Yes. Based on my experience with two of them I can benchrest shoot .3 and .2 five shot groups at 50 yard on a regular basis. As with any .22 you need to find the ammo your rifle prefers. SK Std Plus works best in mine.
The folks at Rimfire Central are obsessed with them and tend to be not so thrilled with the newer 455 line. Sure the $1k plus guns from other brands do shoot better but at a stiff price.
The trigger does suck but the intallation of the Yo Dave kit fixed that.
