CZ 457

#1,151
Hey guys-I'm new here to this forum, have been reading a lot of this thread already, and pretty new to rimfire as well (come from precision air rifles). I just went ahead and pulled the trigger on a 457 Varmint MTR yesterday and have been working on setting up the transfer to a local FFL. Super excited to start playing with the gun, and looking for something that will let me reach out beyond 100 yards.

From my background, I'm very used to using a light, crisp, 2 stage trigger setup so I'm not sure how I'll like the CZ 457 trigger-but am willing to work with it. My RAW right now is set to about 6-8 oz for the trigger weight (second stage weight), so I'm looking for instructions on how to lighten up the 457 trigger as one of my first mods. I bought my daughter a 452 scout and the trigger was flat out awful compared to what I'm used to using. I was planning to buy a 455 at some point, so I picked up a 'Mr Fly' two stage trigger-which is still sitting in its box (will look to sell it). Does anyone make an excellent two stage trigger to drop into a CZ 457 (think Anschutz trigger)?

I purchased a Area 419 rail and bolt to mount my scope to get me up and running. I'll likely look at a chassis as well. What are all the options to look at for a chassis? I want an adjustable LOP (down to ~12.5" on the short end), adjustable comb, vertical pistol grip. I saw the KRG Bravo chassis and I like it overall-just not thrilled about the apparent poor front to rear half mismatch that appears to be visible where the parts join each other-but I could get over that. I'll likely try the KRG as a first chassis. What other chassis options are there that I should take a serious look at?

What ammo should I get to start out? I've seen in the thread SK Match, Standard Plus and I'm also looking to try Eley Match, Lapua Center-X ammo. Was thinking about trying something like RWS R50 or something. What else should I try?

Lastly, 'head spacing' is a new concept for me-what is that and how do I check it? Does it change based on the ammo I'm shooting?

Sorry, I have lots more questions, but will stop there now.

Thanks for all your insight and experience guys-I look forward to learning from you.

Sean
 
#1,152
smh77 said:
I purchased a Area 419 rail and bolt to mount my scope to get me up and running. I'll likely look at a chassis as well. What are all the options to look at for a chassis? I want an adjustable LOP (down to ~12.5" on the short end), adjustable comb, vertical pistol grip. I saw the KRG Bravo chassis and I like it overall-just not thrilled about the apparent poor front to rear half mismatch that appears to be visible where the parts join each other-but I could get over that. I'll likely try the KRG as a first chassis. What other chassis options are there that I should take a serious look at?

Sorry, I have lots more questions, but will stop there now.

Thanks for all your insight and experience guys-I look forward to learning from you.

Sean
Click to expand...

MDT makes a nice chassis for the 457 - https://mdttac.com/us_en/lss-rimfire-chassis-system.html

Be aware that $399 is not for a complete chassis. From the webpage...
"To install this chassis on your rifle, here are some additional items you will need to purchase:
I have seen quite a few review videos on the MDT, but I dont have experience with it personally.

The other chassis that Google found was the Master Piece Arms - https://masterpiecearms.com/shop/mpa-ba-cz-455-457-chassis/
Cool thing about that one is you can get it as a folding stock chassis. I am doing the same research, but have no experience with this one either.

Happy shooting
SS
 
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#1,153
SecretSquirrels said:
MDT makes a nice chassis for the 457 - https://mdttac.com/us_en/lss-rimfire-chassis-system.html

Be aware that $399 is not for a complete chassis. From the webpage...
"To install this chassis on your rifle, here are some additional items you will need to purchase:
I have seen quite a few review videos on the MDT, but I dont have experience with it personally.

The other chassis that Google found was the Master Piece Arms - https://masterpiecearms.com/shop/mpa-ba-cz-455-457-chassis/
Cool thing about that one is you can get it as a folding stock chassis. I am doing the same research, but have no experience with this one either.

Happy shooting
SS
Click to expand...

Thanks for the information-both of those stock options look really nice. I think I prefer the masterpiece arms version a bit more to the other one. I may try the Bravo first, and then decide whether I want to move on from there. Since I hope to have my son get into it with me, I can also buy him an action and let him have the Bravo (if he likes it) and I can upgrade to the MPA chassis. Hmmm....
 
#1,154
The Bravo is a really nice chassis for not a lot of $. I have one on my Vudoo, very adjustable, and the the full length aluminum rail is machined perfectly so you won't need to pillar or bed the action. I'd buy the yo-Dave trigger spring kit or buy one at McMaster Carr or eBay. You can then easily get your weight down to 8 oz. or less. The stock trigger is very adjustable and I have mine set up as a single stage with zero creep. It's nearly as good as the Trigger Tech Diamond ($295) on my Vudoo. Start out with some SK Std.+ or even some Norma Tac 22 or Geco to get some rounds down range. These barrels are factory lapped so you really don't need a lot of break in. You might be surprised how well it shots with those brands. Save you Center X, and R-50 for competition. On my MTR, the Norma shoots as good as CX at 100 yds., but not a good at 50. It doesn't make a lot of sense, but that's what I've found with my barrel.
 
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#1,155
Thanks for the information. I may have accidentally hit 'complete order' while looking at the Bravo chassis on the KRG website (sorry honey-I accidentally clicked the button:oops:!). Now my wife is telling me to take my 16 year old son somewhere to get him out of the house-I just so happened to see that Fleet Farm actually carries SK Std+ soooo..... :devilish:

Sean
 
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#1,156
Hopefully, they have some in stock. Almost everywhere I've looked it's out of stock. Not just the SK Std. + but most SK, Lapua, RWS, Eley, CCI.............basically all slow velocity 22LR ammo. Good luck!
 
#1,162
Well, I received my CZ457 MTR yesterday along with my Area 419 rail and bolt knob. I'm pleased with the gun so far-it seems to shoot pretty well right off the bat (photos below). I can't seem to get the factory bolt knob off to install the 419 knob, put I'm in no real rush to do that either. My KRG Bravo chassis should be delivered this morning-which I'm glad about because the MTR stock seems to be about 1" longer than I'd prefer.

Question: Is there someone I could contact to send my MTR stock to and have it shortened, and have the comb cut to install an height adjustment onto it? I would like the stock a lot better if I could modify it in those two ways (however, it's not really needed as I'll be putting it into the Bravo chassis in a few hours). I would want it to be an excellent modification job if I proceeded with it.

Here are a few pics of the first couple of five-shot groups at 50 yards using SK Std+ (I now have a total of 50 rounds through the gun).

IMG_9364.jpg


IMG_9366.jpg


IMG_9374.jpg


I'll take a photo of the gun after its installed in the Bravo, later today.

Sean
 
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#1,163
smh77 said:
Well, I received my CZ457 MTR yesterday along with my Area 419 rail and bolt knob. I'm pleased with the gun so far-it seems to shoot pretty well right off the bat (photos below). I can't seem to get the factory bolt knob off to install the 419 knob, put I'm in no real rush to do that either. My KRG Bravo chassis should be delivered this morning-which I'm glad about because the MTR stock seems to be about 1" longer than I'd prefer.

Question: Is there someone I could contact to send my MTR stock to and have it shortened, and have the comb cut to install an height adjustment onto it? I would like the stock a lot better if I could modify it in those two ways (however, it's not really needed as I'll be putting it into the Bravo chassis in a few hours). I would want it to be an excellent modification job if I proceeded with it.

Here are a few pics of the first couple of five-shot groups at 50 yards using SK Std+ (I now have a total of 50 rounds through the gun).

View attachment 7301887

View attachment 7301888

View attachment 7301889

I'll take a photo of the gun after its installed in the Bravo, later today.

Sean
Click to expand...
Wrap some some leather around your bolt knob and use vise grips or channel locks, I have taken several off like that with no damage to them. Maybe use a heat gun if it is that tight to weaken the rock set.
 
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#1,164
Well you guys did it to me again. Talked me into a new gun. I just ordered the CZ 457 Varmint and got it for under 500 shipped. Now I am going to need a rail so which one is a good one and won't break the bank?
 
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#1,165
cro789 said:
Well you guys did it to me again. Talked me into a new gun. I just ordered the CZ 457 Varmint and got it for under 500 shipped. Now I am going to need a rail so which one is a good one and won't break the bank?
Click to expand...
I've used BScar 25 MOA rails on all three of my 457s - American, MTR, & VPT - and wouldn't trade them for anything else I've seen. The Area 419 is so tall that guys with high-comb MTRs are wanting to know how to install an adjustable cheekpiece (see smh77's post above). I initially had an Athlon Cronus on my MTR, and with it in a set of Seekins low rings on my BScar rail, I had excellent cheekweld on the MTR stock. Last time I checked, his rails were selling for $35 shipped.
 
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#1,166
flatland1 said:
I've used BScar 25 MOA rails on all three of my 457s - American, MTR, & VPT - and wouldn't trade them for anything else I've seen. The Area 419 is so tall that guys with high-comb MTRs are wanting to know how to install an adjustable cheekpiece (see smh77's post above). I initially had an Athlon Cronus on my MTR, and with it in a set of Seekins low rings on my BScar rail, I had excellent cheekweld on the MTR stock. Last time I checked, his rails were selling for $35 shipped.
Click to expand...

To be honest, in my case (due to an eye condition), the higher scope mount works perfect for me and it seems to work pretty much spot on. I'm looking for the adjustable comb because I have it on all my guns and love to perfectly fine tune and exact position-so while the MTR stock with the Area 419 rail works very well for me, it can always be tweaked to get slightly better.

But your point (Dennis) is likely correct about most others (I'm just a bad example). Most other combs are simply way to low for my eye to align to (like a scout stock, for example).
 
#1,168
Question for you guys: I have a YoDave spring set for my daughter's CZ452 Scout, that I never installed for her. Are those the same springs for the CZ457? Can I just replace the spring in the trigger of the 457 with one of them from the yoDave kit I have from her Scout to get my weight down?

I emailed YoDave to ask but haven't heard back yet...
 
#1,169
smh77 said:
Question for you guys: I have a YoDave spring set for my daughter's CZ452 Scout, that I never installed for her. Are those the same springs for the CZ457? Can I just replace the spring in the trigger of the 457 with one of them from the yoDave kit I have from her Scout to get my weight down?

I emailed YoDave to ask but haven't heard back yet...
Click to expand...

They are different.
 
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#1,170
smh77 - Had no intention of making fun of you when I mentioned your post about the comb on your MTR stock - please accept my apologies if it came across like that. Hope you find the KRG chassis perfect for your application.
As far as the 457 trigger goes, if you look up lefty222's trigger diagram over on RFC, and adjust to back-off the sear engagement a bit, I'd expect you to be able to get the trigger break down to around 1lb with safety. All three of mine were done that way, with no other modifications, and have breaks from just under a pound to just over, with no creep. If you need or want to go lighter, then the Yo Dave spring is one way to go - there are others selling lighter springs also.
 
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#1,171
flatland1 said:
smh77 - Had no intention of making fun of you when I mentioned your post about the comb on your MTR stock - please accept my apologies if it came across like that. Hope you find the KRG chassis perfect for your application.
As far as the 457 trigger goes, if you look up lefty222's trigger diagram over on RFC, and adjust to back-off the sear engagement a bit, I'd expect you to be able to get the trigger break down to around 1lb with safety. All three of mine were done that way, with no other modifications, and have breaks from just under a pound to just over, with no creep. If you need or want to go lighter, then the Yo Dave spring is one way to go - there are others selling lighter springs also.
Click to expand...

Flatland1, I couldn't get mine below 2.25# with the factory adjustments. Hopefully, he got one of the good ones. If not, it's only a spring away from a crisp 8 oz. trigger.
 
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#1,172
flatland1 said:
smh77 - Had no intention of making fun of you when I mentioned your post about the comb on your MTR stock - please accept my apologies if it came across like that. Hope you find the KRG chassis perfect for your application.
As far as the 457 trigger goes, if you look up lefty222's trigger diagram over on RFC, and adjust to back-off the sear engagement a bit, I'd expect you to be able to get the trigger break down to around 1lb with safety. All three of mine were done that way, with no other modifications, and have breaks from just under a pound to just over, with no creep. If you need or want to go lighter, then the Yo Dave spring is one way to go - there are others selling lighter springs also.
Click to expand...

No worries whatsoever-but thanks for being thoughtful anyway. The courtesy is certainly appreciated a lot. I'm a bit of an 'odd duck' in that my right eye will only elevate so far due to an oblique eye muscle disorder (called Brown's Syndrome). I've learned to adjust to it fine (and of all the things that one could have go wrong in life, this is pretty minor). But when shooting (archery or rifles) I end up tilting my head back so that I'm looking 'down my nose' slightly. It's not that big of a deal, really, and I've been used to it for years (I actually didn't know I had that condition until my early 30's...).

Thanks for the tip on the trigger. I'm going to play with the adjustments shortly as I take the action out of the MTR stock and put it into the Bravo chassis. I like the Bravo chassis so far-even though I'm normally not a fan of plastic. I really like that I'm supporting a couple guys from the military who went in together to 'make a better mousetrap', if you will. I'll let you know how it all turns out and will post photos once I'm all dialed in...

Sean
 
#1,173
Sean, if you aren't happy with the trigger pull weight after you adjust it on the stock trigger, message me with your address and I'll send you an extra spring I picked up. It's about the same size (wire size, id, od, etc.. but it's longer in length, so you would need to snip it off at about 1/2" or 5/8". That will get you down to around 7-9 ozs. You could also just snip off a little of the stock spring but I wanted to retain the stock spring in case I ever wanted to put it back to stock. It's a little tricky to install, but if you have average skills you can do it. I'd be glad to help a fellow Hide member out!
 
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#1,174
Thanks for the offer. I just playwd around with it for quite a while, and got it down to about 17-18 ounces. I had it lower, but it felt unsafe, so I went back up. The reason for feeling unsafe is because the real adjustments are being made with the sear engagement-which I don’t prefer. I’ll try it out for a bit like it is, and let you know.

I really prefer 2 stage triggers so I can move the trigger blade easily to the wall before applying pressure and having it go off. I have to admit: there’s very little creep right now-but I can tell it feels like its ‘on edge’-but should be reliable.
 
#1,179
smh77 - 1st CZ 22RF rifle I'd ever bought was a 457 American. Stock has some nice grain and is pretty attractive IMHO. Loved the way the rifle cycled and the trigger after I adjusted it, but accuracy was lousy. I read about someone online who'd re-barreled his CZ by doing the machine work on the tenon & chambering it, but instead of cutting those butt-ugly grub screw seats, he glued it into the receiver with LocTite #609. I decided to buy a Shilen Ratchet Rifled select match blank, re-contour it a bit, cut the tenon, chamber it with my EPS reamer, then cut the extractor slots and glue it in. Worked like a charm, and that rifle shoots very well now. It was a relatively simple project, once I'd decided to go the glue-in route - simple enough that I felt it would be worth it to re-barrel my 457 MTR, even though it was shooting well with pretty decent accuracy. Not too long after doing that bbl job, I bought a 457 VPT w/24" threaded bbl. After a few hundred rounds, this VPT bbl shot OK at 50yds, but more or less fell apart at 100-200yds. I really liked the Manners stock, and wasn't crazy about shooting the nice MTR stock in matches and dinging up its nice stock - so I pulled the Shilen-bbl'd MTR action out of its walnut stock and put it into the VPT's Manners. Turned out well - sort of the best of both worlds, having the custom bbl'd MTR action in the Manners stock. But I didn't care for the polished/chromed trigger of the MTR in that GAP camo stock, so pulled both actions out of their respective stocks, swapped the trigger assemblies, then put the MTR action with the matte black VPT trigger back into the Manners stock. It turned out that when I put the VPT trigger in the MTR action, I was easily able to get it adjusted down to well under 1lb, so it was a win-win situation. I put the CZ match bbl that I'd pulled out of the MTR action into the VPT action in the MTR stock, and it shot at least as well as it had in the MTR action. Long story short - I feel it was worth the effort of swapping everystuff around, as I wound up with two rifles that shoot pretty darned good, and now I can use the MTR action in that tough Manners stock in a match should I decide to give it a try instead of shooting one of my V-22s. I wound up with an Athlon Midas TAC 6-24x50 on this rifle, and have been very pleased with it.
 
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#1,180
smh77 said:
That’s the scope from my Air Rifle: a Hawke Sidewinder FFP 6-24x56mm. Great scope.
Click to expand...

Nice, I like the big focus wheel, I bet that makes it easy to fine tune the parallax adjustment. A lot of our airgun members use Hawke. Your MTR looks good in the Bravo stock. How was the fitment with the 457 receiver, guessing nice and tight.
 
#1,181
45ACP223 said:
Nice, I like the big focus wheel, I bet that makes it easy to fine tune the parallax adjustment. A lot of our airgun members use Hawke. Your MTR looks good in the Bravo stock. How was the fitment with the 457 receiver, guessing nice and tight.
Click to expand...

The receiver went into the Bravo fine. It was a bit looser than expected when I was just installing the screws to finger tight. I then bumped the action backwards, per the instructions and used the short end of the Allen wrench to put a little bit of torque on them. I tightened the front screw first, then the rear (per the instructions). It said to torque both to 65 in-lbs; I stopped at 45 in-lbs. When I was removing the two action screws from the MTR stock, the screws were nearly finger tight-very minimal torque on them. That's kind of how things are in the airgun world too.

While torquing the rear action screw into the Bravo chassis, it turned a bit more than I anticipated-so maybe that was pulling the action down into the chassis, creating a nice tight fit (not sure).
 
#1,182
Question: is 'YoDave' located out of Canada? I placed an order for the spring, and some cleaning tools as well but my credit card flagged the transaction as 'potential fraud' and said it was for 'Arts, crafts, and supplies' out of Canada. They were asking me to confirm I tried to place the order. The date and amount of my order were correct-I just didn't know that the owner was in Canada. Please advise.
 
#1,188
For those wanting to see some longer range groups by the CZ 457 MTR, I braved the 18 mph wind this afternoon to put some lead down the barrel. Believe me when I say it was windy! And it wasn't constant either, making it hard to shoot consistent groups.

Nonetheless, I shot several groups at 50, 75, and 100 yards (5 shot groups, all with SK STD+). I show the whole group below, plus (in several instances) what the group would have been without a flyer. In several of the groups, you can see a clear lateral stringing due to the left-right wind. On top of that, the wind was sometimes strongly at my back as well, leading to a little bit of vertical stringing also.

Photos are attached. They are labeled as to the distance. My best group at 100yards was in the neighborhood of 0.88" for 4 shots. The 5th shot I had slightly changed my point of aim to the left, anticipating a slightly lesser wind (or so I thought) and it put the shot to the left, opening up the group to 1.52".

At 75 yards, I had one group at 0.81" for 5 shots where you can clearly see the lateral stringing from the cross wind. The main group was running about 0.34" for 3 of the shots.

At 50 yards, the very first group I shot was mind blowing: I stacked 4 shots in the exact same hole (0.07" c-t-c), before the 5th shot opened up the group a bit to 0.31".

I tried Eley Club and Eley Target: gave up on both very quickly (after 10 rounds on the Target, and 5 rounds on the club-both at 50 yards).

I am looking forward to shooting at 75 and 100 yards under calm conditions to see how well I can get it to shoot.

I now have a total of about 135 rounds through the gun so far, after today's session.

(Sorry, I'll have to resize my photos if I'm to post them-apparently they're too large...)
 
#1,189
I was initially frustrated when trying to post photos due to the fact that I had the photo quality set too high on my camera. Photo files that had contained 2-3mb of data were reduced in size down to 750-850kb by backing of this setting in the camera's menu. Actual physical dimensions of the photos were the same, they just contained less data.
 
#1,190
flatland1 said:
I was initially frustrated when trying to post photos due to the fact that I had the photo quality set too high on my camera. Photo files that had contained 2-3mb of data were reduced in size down to 750-850kb by backing of this setting in the camera's menu. Actual physical dimensions of the photos were the same, they just contained less data.
Click to expand...

The other option is to use a image hosting site like Photobucket, imgbb (https://imgbb.com/), etc. You upload the photos there and then link them her using BBCode.
{IMG] link to the image from the website{/IMG]

You will notice I used left squiggle brackets (braces) "{" because if I did it correctly you wouldnt see the code. Replace the squiggle brackets with regular brackets [

SS
 
#1,191
Try Smugmug for paid hosting. I pay about 72.00 per year and post photos from their servers. Multiple choices as to your linked postings and the photos will show up next year and the year after..... None of the "Photo not available" that plagues older posts with photos. I have posts 13+ years old that still show my photos I posted in threads. If you have a business it's great as you can post full screen HQ photos - print quality.
 
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#1,193
I just resize the photos on my Mac. Not hard to do, open photo in viewer, click on tools, click on resize, I think 800x800 pixels is the size I chose for posting on most websites.
 
#1,194
After playing with my parallax setting a bit to get it dialed in 'more correctly' at 100 yards, and getting a chance to shoot with lower winds (although at times I was still dealing with a bit of lateral winds), I was able to get some pretty decent groups. Prior to getting my parallax correct, I couldn't seem to get down to 1.0". After, I got down to slightly larger than 0.5" for my best 5 shot group.

IMG_9548.JPG


IMG_9547.JPG


IMG_9546.JPG


IMG_9545.JPG
 
#1,195
Got my first groundhog today with the new CZ 457-super excited after hunting the Wiley varmint! Is it ok to post photos of vermin here? Wanted to check before posting. Adult male, 40 yard shot-perfect placement. One shot, One kill...

Yep, he was doing damage to my sister in law's property and I was told 'they have to go!'.
 
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#1,196
smh77 said:
Got my first groundhog this morning with the new CZ 457-super excited after 4 hours of hunting the Wiley varmint! Is it ok to post photos of kills here? Wanted to check before posting. Adult male, 40 yard shot-perfect placement. One shot, One kill...
Click to expand...

guy posted a kill pic on the RimX thread. He’s banned now.
 
#1,197
BigRed308 said:
guy posted a kill pic on the RimX thread. He’s banned now.
Click to expand...
Wow-glad I asked then! Don't intend to stir the pot at all. Thanks for the info. I'll go back and look for the forum rules again-so many different rules for different forums, FB groups, etc it's easy to lose track. Thank you for kindly informing me.
 
#1,198
It was pretty pointless kills of birds that were quite possibly protected. killing a Varmint that is destroying the foundation of your house is one thing or a trophy deer but that guy was repeatedly posing photos of animals he killed just to kill. I have seen plenty of kill photos but the way he was posting them and then deliberately provoking a mod when asked to stop is what got him banned.
 
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