I just bought a CZ455 SS SYN stocked rifle off a member on here - Near NEW condition ! It has a CZ Flyweight trigger installed in it - SEEM's Pretty smooth and light - Any one Using one in there CZ rifle ? RJ
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Most CZ 455/457 shooters I know, myself included, just get the YoDave spring and shim kit. Very cost-effective and easy to install.
The 457 MTR is twice the gun that the 455's were/are.
They're that heavy?
Seriously, twice as good might be an overstatement. Here's why.
If the height of the bolt lift matters a great deal to a CZ user, then the 457 has the advantage of having one that is less than the 452/455. If the safety of the pre-457 CZ bolt rimfires is an issue with a CZ user, then the 457 has the advantage of having a safety that is forward-back lever on the side of the receiver rather than the safely lever on the back of the 452/455 bolt. The triggers are a big difference between the 452/455 models and the 457's, but neither one can be safely made to be lighter than the other (both need spring changes), although the 457 trigger adjustments for sear engagement and overtravel built in, which is an advantage over the earlier models. The trigger guard and bottom metal on the 457 is an improvement over the 452/455, but not one that changes how it performs. In fact, none of the design changes affects how the models compare when it comes to how they shoot.
The foundation of a rifle's accuracy is the barrel, and these are essentially the same on the 455 and 457. To be sure there are two models in .22LR that have the match chamber, the MTR and LRP, but the rest of the barrel is otherwise no differently made than those of other 457's and 455's, even if newer models have barrels of different lengths. CZ barrels can be good or they can be bad, but most are somewhere in between. Barrel quality differences will always be what distinguishes a CZ that is a good shooter and one that is average or, worse, a poor shooter -- regardless whether its a new model or a previous one. In short, there's nothing to suggest that despite design changes in the 457, that the new model is a better shooter than the 455, the potential confered by the match chamber on two 457 .22LR models, the MTR and LPR, aside. In any case, if the barrel is middling at best, a match chamber will not make it shoot like a match rifle.
Among the previous models there was debate as to whether the 455 was equal to the 452. No opinion is offered here as it will take too much space. The 457 has some design changes that many shooters will applaud -- the lower bolt lift, the side lever safety, the trigger, even the bottom metal. But the most important question about the CZ models is "how does it shoot"? This is where 457 models (except perhaps for the MTR and LPR) and 455 models are on equal footing.
Whats the diff's between a CZ452 and a CZ455 then ?? Thxs RJ
And this /\ says it all. I’m sticking with my 452s.
Whats the diff's between a CZ452 and a CZ455 then ?? Thxs RJ
I guess I am a way out of the “loop”. I have 9 455’s and one 452. I have never changed a trigger nor fiddled with them. I have big **** hooks, and pulling a trigger on a dinky rifle is not a worrisome problem. To be fair, I don’t use the rifles for target shooting, just gophers and plinking.