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cz 457 varmint mtr

So will a Bore Tech .22 Caliber Rimfire rod work in the CZ457 MTR? I don't want to have to use adapters on a .20 caliber rod to get to 8-32 threads.
I use 2 boretech orange handle rimfire rods and their bore guide. Works like a champ in my cz 457. Some times the patches try to hang up on the ejector when going by it.
 
Are your 2 Boretech rods different??
No they are the orange handle rimfire. I use 2 rods so i dont have to spin on and off the jag and brush. I store them in a mtm cleaning rod case. Take it to the range every time. I ground a notch in the bore guide so the bolt release locks it in. So when i rigorously scrub the chamber area bore guide stays in

20210916_142316.jpg20210916_142325.jpg
 
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I should have never got a borescope...
Inside the muzzle seems to have the barrel coating in the bore at the last 1/4 - 1/2" of the muzzle.

What do you all think about this?


WIN_20210929_12_19_26_Pro.jpgWIN_20210929_12_19_32_Pro.jpg
 
There are people who think a bore scope creates problems that don’t exist. I’m not one of them, but I don’t know what to tell you about what you see
 
There are people who think a bore scope creates problems that don’t exist. I’m not one of them, but I don’t know what to tell you about what you see
They are of good use and I don't worry too much about what I see, until I see how the gun shoots. Really good for keeping the carbon ring in check.

I also slugged this one and there's a loose spot about an inch back from the muzzle.
Before I order another barrel, I am contemplating cutting this one off right before the loose spot and see how it does.
I even contemplated ordering another rifle, but I just don't know.
 
They are of good use and I don't worry too much about what I see, until I see how the gun shoots. Really good for keeping the carbon ring in check.

I also slugged this one and there's a loose spot about an inch back from the muzzle.
Before I order another barrel, I am contemplating cutting this one off right before the loose spot and see how it does.
I even contemplated ordering another rifle, but I just don't know.
Is this the same rifle you sent to cz because it would not shoot? How does it shoot now if so?
 
Is this the same rifle you sent to cz because it would not shoot? How does it shoot now if so?

* CZ barrels , at least the 457, are hammer forged and hydraulic machine lapped- per CZ

yes, it shoots the same. Inconsistent.
CZ did perform a shot test and it met their 1 MOA guarantee.

Ammo does not matter, I've tried it all and it shoots the same no matter what I run through it. I did adjust the scope on the shots at top. It was dropping shots low right.

I even sent in my scope to have it looked into - Sightron. I tried a different scope, played with different torque on the action screws, etc.



Screenshot 2021-09-30 063935.jpg

Screenshot 2021-09-30 062844.jpg
 
* CZ barrels , at least the 457, are hammer forged and hydraulic machine lapped- per CZ

yes, it shoots the same. Inconsistent.
CZ did perform a shot test and it met their 1 MOA guarantee.

Ammo does not matter, I've tried it all and it shoots the same no matter what I run through it. I did adjust the scope on the shots at top. It was dropping shots low right.

I even sent in my scope to have it looked into - Sightron. I tried a different scope, played with different torque on the action screws, etc.



View attachment 1282830

View attachment 1282829
Yeah thats a bummer. Weird how you have some shots grouped up nice then it throws them all over for the next group. I would think a bad barrel would not group any. I would cut it back and recrown or just chop it off where you think its tite and go shoot it not even waste time doing a target crown or recessed crown see if it shoots any better. Or buy new barrel but if your shooting ARA cant shoot factory class at that point. Might be cheaper to buy another rifle ! I have literally only tried 1 torque setting on my rifle 30 inch pounds and the trigger is set at a hair over 2 pounds. I probably got a lucky barrel/rifle. My test target is horrible compared to how rifle shoots. Good luck with what ever way you decide to go on your rifle.
 
Just a heads-up for CZ owners. While reinstalling the barreled action after replacing the original trigger, I noticed the plastic sleeve that the magazine comes up through, was broken. The front anchor point was apparently crushed. I have never torqued the action screws tighter than 25 ft. Lbs. That $9 part costs over $20 with the shipping. While I had the service gentleman on the line, I voiced my negative opinion of their original trigger. That apparently didn’t sit too well.
 
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Installed eBay trigger springs and have a 7oz trigger. Everything else is stock except 3" wide aluminum bag rider on the forearm. Stock bolts are @ 40" lbs. Opened up a new brick of SK pistol match yesterday and it to 20 rnds for it to settle in. Then shot 6 five shot groups @ or under 1/2".
It likes SK rifle match as well.
I will be testing flatnose rifle match and standard velocity + next week as it becomes available at lgs.
I couldn't be happier with mine.
 
I shot my CZ457 MTR today. 50 yards. Low wind.
Rifle has a Timney trigger set at 10 ounces and a Athlon BTR Gen 2 6-24x 56mm FFP

CZ457 MTR.jpg
 
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I also shot my Bergara B14R today with the same ammo.
It has a Trigger Tech Diamond set at 10 ounces and a Vortex Venom 5-25x 56mm FFP

Bergara B14R.jpg
 
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If I were to buy a new .22, I think I’d get the Bergera 14. At the Lapua test site in Marengo, Ohio, my buddy’s handily outshot my CZ 457 MTR.
 

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