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Joined: Mar 2018
Posts: 362
Campfire Member
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OP
Campfire Member
Joined: Mar 2018
Posts: 362 |
I'm thinking of purchasing one of these CZ 457 combos in .22LR and .17 HMR. Does anyone have any experience with these multi-barrel rifles? Was wondering how accurate they are and how well they hold zero when switching barrels. Would really love to have a third barrel in .17 HM2 if such things exist.
Thanks!
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Joined: Nov 2013
Posts: 28,753
Campfire Ranger
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Campfire Ranger
Joined: Nov 2013
Posts: 28,753 |
I bought a 455 .22 mag, then a .22 LR barrel. Neither of those was a stellar performer, at least not for me. On RFC at the time there was all kinds of chatter about torquing the screws and such for best accuracy, but while it may have been effective, it was more futzing around than I wanted to do for the supposed convenience of caliber switching. Others love that kind of stuff. I like stuff simple, so won’t go down that road again. I now have another 455 in LR, plus a 457 MTR, and am completely happy with both, as-is. Have thought about a Hummer barrel, but have little practical use for one.
You may find HM2 barrels on GB, or you can spring for an aftermarket one. My last HM2 adventure chilled me finally and forever on it. I don’t believe the current ammo is as good as the original stuff.
What fresh Hell is this?
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Joined: Dec 2005
Posts: 7,530
Campfire Outfitter
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Campfire Outfitter
Joined: Dec 2005
Posts: 7,530 |
Never thought much of barrel switching on rifles. Do they work? Sure, but most people are just better of buying another gun. I own several CZ rimfires. They are amazingly accurate shooters with no futzing around.
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Joined: Jan 2005
Posts: 11,322
Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2005
Posts: 11,322 |
I thought (it has been too many years ago when I followed this stuff close) that there was a head space difference between the 17HMR (22WMR) and a 22LR. Would the barrel (17HMR) have to be shimmed or the shoulder turned to a different length to make up for the difference?
I may not be smart but I can lift heavy objects
I have a shotgun so I have no need for a 30-06.....
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Joined: Jan 2014
Posts: 4,964
Campfire Tracker
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Campfire Tracker
Joined: Jan 2014
Posts: 4,964 |
I thought (it has been too many years ago when I followed this stuff close) that there was a head space difference between the 17HMR (22WMR) and a 22LR. Would the barrel (17HMR) have to be shimmed or the shoulder turned to a different length to make up for the difference? No. The factory simply cuts the chambers of each barrel to the proper headspacing- whether 22 lr or 17hmr. The barrel are attached solid lock screws in the front receiver ring. There is no fore and aft adjustment of the barrel.
Last edited by jk16; 07/21/21.
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Joined: Jan 2005
Posts: 11,322
Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2005
Posts: 11,322 |
I may not be smart but I can lift heavy objects
I have a shotgun so I have no need for a 30-06.....
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Joined: Oct 2013
Posts: 2,264
Campfire Regular
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Campfire Regular
Joined: Oct 2013
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I have a 455 with barrel set. It has been easy and flawless for me. YMMV I suppose
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Joined: Nov 2013
Posts: 28,753
Campfire Ranger
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Campfire Ranger
Joined: Nov 2013
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It was easy enough, just not rewarding. I like this one a lot, my 457 too.
What fresh Hell is this?
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Joined: Dec 2012
Posts: 1,066
Campfire Regular
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Campfire Regular
Joined: Dec 2012
Posts: 1,066 |
yes they hold zero but you have to record exactly where the zero is as the 17hummer will shoot waaaaaaaaaay flatter than a 22lr. my 17hmr barrel is slightly more accurate than my 22lr barrel. Big Ed
"Only accurate rifles are interesting" Col. Townsend Whelen
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