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Rimfire Firearms .22, .17 and other Rimfire Handguns and Rifles

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  #1  
Old 07-15-2013, 10:13 AM
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Default Interesting new multi-barrel rifle from CZ

You get .22 LR and .17 HMR and can add a .22 WMR barrel.
the only downside would be finding a scope that can accommodate all three MPBRs and variations in trajectories and ranges to stay accurate. Any ayone have an idea what would work—they don't have a mil-type rail so swapping scopes and maintaining zeroes wouldn't be easy.

http://www.gunsamerica.com/blog/17hm...-combo-review/
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  #2  
Old 07-15-2013, 12:30 PM
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its just a CZ 455 and they have been around for a while
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  #3  
Old 07-15-2013, 12:40 PM
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Quote:
Originally Posted by usmcchet9296 View Post
its just a CZ 455 and they have been around for a while
Yeah, but isn't the quick barrel change new?
The tester claims less than 1 MOA at 100 yds.
Of course when you change barrels that's gone and you have to re-zero.
I don't think it's really worth it from a practical standpoint though—having to change zeros every time you change the barrel might jsut be more trouble that it's worth.
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Old 07-15-2013, 2:06 PM
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good. i recommend you not get one,more for the rest of us.
if you're talking 22 lr you're gonna be stringing them up and down due to distance and brand anyway. 17 not so much. i've never had to adjust left or right more than a click or 4.
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Old 07-15-2013, 2:13 PM
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good. i recommend you not get one,more for the rest of us.
if you're talking 22 lr you're gonna be stringing them up and down due to distance and brand anyway. 17 not so much. i've never had to adjust left or right more than a click or 4.
So essentially, your are buying a quality .17HMR or .22 WMR that you can also shoot .22 LR out of with a simple barrel change but having to re-zero.

I think they'll make enough and you aren't going to buy some many that you'd find one additional or less in the market that much of a gain or loss. But maybe math isn't a strong suit for you it seems.
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Old 07-15-2013, 2:54 PM
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I've got a switch barrel SAKO Quad Synthetic, it shoots .17 Mach 2, .22 LR, .17 HMR, & .22 WMR: http://www.sako.fi/sakoquad.php

Their system allows the barrel swap without losing POI. However, the whole set is about 3x the price of the CZ. Burris made a special scope for it called (appropriately enough) the Quad scope. It has 4 different turrets for the 4 different barrels:




The scope was WAY tougher to find than the rifle!
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Old 07-15-2013, 3:06 PM
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Quad barrels, quad scope...awesome. I wont' even look into to cost unless I win the lottery. But that is one incredible varminter. You must enjoy it a lot.
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Old 07-15-2013, 3:16 PM
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protests-its not made in a lefty
Z
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Old 07-15-2013, 4:56 PM
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CZ rimfires are probably the best in the market in their price range. The switching of the barrel is a feature in their 455 models which they are slowly changing the 452's over to.

Great thing about the CZ is it is a great rifle that you can grow into. Aside from easily multi caliber changes, it offers match barrels for Olympic quality groups from Lilja if that is a route you want to head.
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Old 07-15-2013, 5:58 PM
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Quote:
Originally Posted by Zenja View Post
protests-its not made in a lefty
Z
Grab a CZ 452 American in left handed while you still can.......

You can thank me after you shoot it.

Barry
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Old 07-15-2013, 8:35 PM
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Not that new and I have the cz 455 American in 22lr and 22wmr.

The poi doesn't change that much and the change is predictable. I torque the barrel to the same weight every time and the 22wmr poi is just a little higher then the 22lr. Three shots and I'm re zeroed. I can't find any 22wmr and I only have about 150 rounds left so I've been keeping it in the 22lr set up.

I don't have any complaints with the gun or the barrel change system
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Old 07-15-2013, 9:02 PM
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Quote:
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I torque the barrel to the same weight every time and the 22wmr poi is just a little higher then the 22lr.
Interesting and thanks for the info. What do you torque it to? I have a small precision Italian torque wrench I use for servicing my bikes that reads in kN and ft-lbs so either one.
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Old 07-16-2013, 5:55 AM
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Quote:
Originally Posted by advocatusdiaboli View Post
Interesting and thanks for the info. What do you torque it to? I have a small precision Italian torque wrench I use for servicing my bikes that reads in kN and ft-lbs so either one.
I can't remember off the top of my head because I haven't changed the barrel put in a few months. I just leave the wrench set to the same poundage so I don't have to remember it. I think it's right around 25 inch lbs. You can get a torque wrench from harbor freight in inch lbs for about $10
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Old 07-16-2013, 6:48 AM
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Quote:
Originally Posted by Captiontom View Post
I can't remember off the top of my head because I haven't changed the barrel put in a few months. I just leave the wrench set to the same poundage so I don't have to remember it. I think it's right around 25 inch lbs. You can get a torque wrench from harbor freight in inch lbs for about $10
Thanks, for the info. I will look into one at that price. Translating N-m to in-lb just involves multiplication and division. The formulas are easily found with Google or derived. But it would be better to have a dedicated wrench with the shooting tools rather than one day try to figure out where the bicycle torque wrench is. I use it to tighten bolts on carbon fibre parts—it is easy to over-tighten them and damage them. People don't realize the damage until their handlebars crack while climbing or the seat post in a crash or while descending. That's dangerous.
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Old 07-16-2013, 10:11 AM
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Quote:
Originally Posted by Captiontom View Post
I just leave the wrench set to the same poundage so I don't have to remember it.
Just a FYI, but I've always heard to never leave a torque wrench set because it will loose accuracy over time and the values will change. It was explained to me the same as leaving a fishing reel with the drag tightened down, if that makes sense.
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Old 07-16-2013, 10:28 AM
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Just a FYI, but I've always heard to never leave a torque wrench set because it will loose accuracy over time and the values will change. It was explained to me the same as leaving a fishing reel with the drag tightened down, if that makes sense.
That's correct. My expensive Italian 2-16 N-m bike torque wrench costs $59 + shipping to recalibrate so they recommend setting it to the lowest setting when stored after use and claim it will then work for 5,000 clicks before needing re-calibration. I didn't know if all were like that—thought maybe it depends on the design.

Mine looks like this:
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Old 07-16-2013, 10:33 AM
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Might be my next rifle, if I can find one!
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Old 07-16-2013, 10:50 AM
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Might be my next rifle, if I can find one!
I dissed it at first, but it's kinda growing on me. So has the 10/22 breakdown. So many firearms, so little funding. But I'll get there.
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