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Old 12-07-2019, 03:34 PM
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Cz 457 factory hit pattern chart



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Hi all, took delivery of a new cz457 mtr and the rifle looks great!
Then I looked at the enclosed hit pattern chart and it does not look all that great.
Itís shot at 50 meters using x act and it is 14mm spread. Would this be an indication of how the rifle will behave? Assuming if itís shot is a factory ideal condition using top grade ammo and it resulted in greater than moa pattern ... and this is an mtr, should it even have been shipped out for sale?
Any comments / advice appreciated.

Best,
Chif




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Old 12-07-2019, 03:44 PM
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Quote:
Originally Posted by chif View Post
Hi all, took delivery of a new cz457 mtr and the rifle looks great!
Then I looked at the enclosed hit pattern chart and it does not look all that great.
Itís shot at 50 meters using x act and it is 14mm spread. Would this be an indication of how the rifle will behave? Assuming if itís shot is a factory ideal condition using top grade ammo and it resulted in greater than moa pattern ... and this is an mtr, should it even have been shipped out for sale?
Any comments / advice appreciated.

Best,
Chif


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The guarantee for the MTR is 15mm at 50m. Yep, guarantee met, ship it out!

Here's what I see. Virtually nil horizontal spread. Some vertical. Just because the ammo used was "top tier", doesn't mean the rifle likes it, and vertical stringing is the result. A tuner would tighten up that spread. If you don't use a tuner, you have to search high and lo not only for a good lot of ammo, but a good lot of ammo that suits your barrel. Much easier said than done. Also, give the new barrel about 1000 rounds fired before you think to hard about the results.
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Old 12-07-2019, 04:10 PM
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I wouldn't worry about it at all. In fact I suspect you have a real gem.

Unless there's been a change, they don't "test for group", just for function. With 1 type of ammo. Dumped into a rest or cradle to be done fast. By someone in a factory who has plenty of work to do. Over and over and over and over.....
You get my drift.

Also, I have to assume that those are the first 5 shots down a raw, dry barrel.
Even if the ammo is perfect I would expect some velocity change as the barrel picks up some lube.
Wish we knew what order they were fired in.

My 455 Lux has a nice test target, and shoots dramatically better that the target. Your test target is a lot better than mine.....
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Old 12-07-2019, 04:14 PM
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hey thanks for the advice. youre right the vertical stringing is better than just a shot gun spread i suppose. will put some rounds downrange as soon as i can get to a range... weather permitting.

ammo testing is the fun part. justhope it does like something.
thanks again.
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Old 12-07-2019, 04:28 PM
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If it still shoots like that after 1,500 rounds through it, then you can start worrying....

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Old 12-07-2019, 04:53 PM
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You have a great pattern.
You don't want to see my MTR factory pattern, but the gun does great.
I'd love to see a U-tube of the testing.
I wouldn't give the pattern much merit except you are on the money vertical.

I'm surprised no one is showing their factory test shots.
I'm not home until Monday.

MTRs do OK with CCI standard velocity. You'll get fliers.
On the higher end... Laupa Center-X

Play with it, with different brands, at 25 yds.

Good luck. Hows your wood look.??
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Old 12-07-2019, 05:16 PM
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I would not hold to much weight with cz's factory test targets. They use to worry me too but every new CZ I have ever bought including the 527 centerfires have shot better than indicated after setting them up and finding the right ammo. I have a MTR also and have been well pleased. It likes SK+ as most of my other 22's do. Im sure the higher priced Lapua ammo would shoot excellent also but I have always been to tight to buy it regularly. Good luck with your new gun !
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Old 12-07-2019, 05:28 PM
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Originally Posted by CaptBill252 View Post
You have a great pattern.

You don't want to see my MTR factory pattern, but the gun does great.

I'd love to see a U-tube of the testing.

I wouldn't give the pattern much merit except you are on the money vertical.



I'm surprised no one is showing their factory test shots.

I'm not home until Monday.



MTRs do OK with CCI standard velocity. You'll get fliers.

On the higher end... Laupa Center-X



Play with it, with different brands, at 25 yds.



Good luck. Hows your wood look.??


Will definitely have to test ammo. So you think this thing will shoot both lubed and nonlubed ammo relatively well?

As for the wood itís decent. Nothing to write home about. I see only a bit of flame on the left side of the stock.



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Old 12-07-2019, 09:11 PM
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Quote:
Originally Posted by chif View Post
Hi all, took delivery of a new cz457 mtr and the rifle looks great!
Then I looked at the enclosed hit pattern chart and it does not look all that great.
Itís shot at 50 meters using x act and it is 14mm spread. Would this be an indication of how the rifle will behave? Assuming if itís shot is a factory ideal condition using top grade ammo and it resulted in greater than moa pattern ... and this is an mtr, should it even have been shipped out for sale?
Any comments / advice appreciated.

Best,
Chif




Sent from my iPhone using Tapatalk
The guy doing his repetitious job testing and perhaps being bored decided to dial it in? As others have said with the group being on a single plane and not a shotgun pattern I wouldn't get your undies in a knot yet.
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Old 12-07-2019, 09:50 PM
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0.55 inch at 50 meters is 0.5 inch at 50 yards.

That is NOT larger than 1 moa.

That is a very good test target. You got a good one.
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Old 12-07-2019, 10:04 PM
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thanks for the confidence guys. still a noob in this. though i cant locate it but i recall the hit pattern chart for my 452 showed a tighter group and that gun can shoot better than i can.
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Old 12-08-2019, 02:30 AM
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Here I'll show you something. From my 455 with Lilja barrel before I started using a tuner on it. I gave up shooting the RWS R-50 after two groups. It didn't string vertical, but it was "flipping" shots. That went away with R-100. An element of vertical is still apparent with R-100, so while results are better, it is still not the ideal ammo for this barrel. All I'm trying to say here is that good barrel + good ammo doesn't always = good results. This is the nature of rimfire accuracy, the pursuit of which can be maddening.

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Old 12-08-2019, 08:15 AM
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If you continue to see a vertical component in the groups you can research the firing pin modifications tried by others on this forum. I am sorry, but: I have forgotten if that has been effective. Do some shooting first and see what you got.
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Old 12-08-2019, 08:34 AM
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When I mentioned my concerns about my test target I was reminded the target was to show functionality not precision. I wish I could fathom that and would have felt a bit better had the group been tighter. Although my CZ has proven to beat the test target I wonder what to could have been had the test target been better.
I have noticed that for me, precision it's not the only aspect of a rifle that is a deciding factor on who gets to go play. Some Savages I own do better groupwise than my 527s but guess who gets the most use?

Last edited by 56S; 12-09-2019 at 06:41 AM.
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Old 12-08-2019, 10:12 AM
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Huh.., the Savages?
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