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Old 11-28-2019, 10:16 AM
KB22RF

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455 durability?



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So I read on another thread that the 455 has a part or parts that wear down and allow the bolt to come straight out w/o pulling the trigger. The writer implied this can happen even without a tremendous round count. The 455 has been around awhile and this is the first I am reading about that. If I am not mistaken, I think the 452 has a similar bolt stop system as well.

So my question is are people having this problem with the 455 or 452 or was that writers experience atypical?

Makes me think twice about buying another 455 if I can expect future major problems.
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Old 11-28-2019, 10:17 AM
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Excuse my manors, Happy Thanksgiving everyone.
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Old 11-28-2019, 10:21 AM
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I read the same, see my reply, horse feathers is my reaction.
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Old 11-28-2019, 10:25 AM
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That smells like bovine effluence to me, too. They seem pretty rugged and stout to me, but then again, they're made of steel, not aluminum and plastic, like so many newer types.
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Old 11-28-2019, 10:31 AM
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Quote:
Originally Posted by gmd1950 View Post
I read the same, see my reply, horse feathers is my reaction.
I agree! It is not a "worn out" part that can cause this problem. The problem is that if you remove the rear trigger pin to change the spring, you have to be sure that when you reinsert it, the pin is aligned on each side.
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Old 11-28-2019, 10:38 AM
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Quote:
Originally Posted by gmd1950 View Post
I read the same, see my reply, horse feathers is my reaction.
Gerald where did you read that BS? I would like to read that. My friend was telling me yesterday about reading that CZ's fall apart without having a lot of rounds fired in them. He tried to find where he read it and couldn't locate it. I did have the bolt on my 513 CZ come out once cycling the action but that was my fault that I had the creep shimmed a little to much. Never happened again after reducing the shim thickness. I am over 5,000 rounds through my first Grand Finale with out a hitch. A little wear showing on the jeweling on the bolt. My fault for liking to shoot it so much.
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Old 11-28-2019, 10:52 AM
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From what I have read here and heard elsewhere, there are 2 issues: one is that some people think you can abuse a rimfire like you can a Mauser or 03 by being forceful when operating the bolt, the other is that there are far too many guys out there that are "fine tuning" their triggers and have no clue as to what they are doing.
Go ahead and buy another 455, lighten the trigger with a spring change if you want but stop there. If you want a better trigger that will hold up there are a couple out there.
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Old 11-28-2019, 10:55 AM
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Quote:
Originally Posted by bandit1250 View Post
Gerald where did you read that BS? I would like to read that. My friend was telling me yesterday about reading that CZ's fall apart without having a lot of rounds fired in them. He tried to find where he read it and couldn't locate it. I did have the bolt on my 513 CZ come out once cycling the action but that was my fault that I had the creep shimmed a little to much. Never happened again after reducing the shim thickness. I am over 5,000 rounds through my first Grand Finale with out a hitch. A little wear showing on the jeweling on the bolt. My fault for liking to shoot it so much.
Bandit1250 it is in the thread of 455 vs 457 post number #27 and #31.

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Old 11-28-2019, 10:57 AM
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Not a wear and tear problem, but can happen if part tolerances stack in the wrong direction and the sear doesn't stick up into the receiver far enough. This can happen with my Fly trigger if I adjust it a certain way, but I can also adjust it back the other way so I have reliable bolt stop. 8000 rounds so far, all is well.
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Old 11-28-2019, 11:11 AM
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I have had an issue with the bolt wanting to come out when I reduce the sear engagement too much on my DIP sear. Never a problem with the factory trigger. Sounds like either operator error or over modification to me.
Maybe I should just blame the equipment and not my modifications to it. 'Cuz it couldn't possibly be my fault, right?
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Old 11-28-2019, 11:12 AM
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More nonsense............another "my buddy story"
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Old 11-28-2019, 11:24 AM
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All my CZ rimfire have Timney triggers, so I can't speak to issues with the factory trigger, but the condition you describe can occur with the Timney if the sear engagement is set incorrectly.
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Old 11-28-2019, 12:43 PM
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Maybe they just kept on pressing the trigger during their “ Mad Minute”
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Old 11-28-2019, 12:56 PM
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mine have been fine.
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  #15  
Old 11-28-2019, 07:10 PM
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Thanks for all the replies. I have 2 455's that I figured my future grandchildren may shoot one day.

My dad bought me my first rifle in 1972, a Marlin 39a. He told me take care of it and it will last a lifetime. It took some abuse from my childhood but is still going strong. I like to think the CZ's are built to a similar quality.
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