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Old 07-21-2019, 10:40 AM
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MTR Barrel



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I have read posts where some people are replacing their 457 MTR barrels with aftermarket barrels. I would like to try an MTR barrel on my 455 Tacticool. Has anyone else tried this and what results have you got? Do any of you that have changed out your barrels have an MTR barrel available to sell?
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Old 07-21-2019, 11:14 AM
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Any difference between 457 Varmint and an MTR barrel? I have a take-off 457 Varmint barrel with 67 rounds thru it...

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Old 07-21-2019, 12:02 PM
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MTR is the only one with a match chamber.
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Old 07-21-2019, 12:44 PM
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Right now the only way to get one is buy a MTR. Maybe it's time to start a " Wonder When " CZ will have spare parts for the 457.
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Old 07-21-2019, 01:05 PM
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After I put a pressure point under my MTR barrel, I wouldn't want another barrel. Shoots pretty much 1/2" to 5/8" at 100 yards if I do my part.
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Old 07-21-2019, 02:31 PM
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mpolk

Can you explain your pressure point? I may try that. Thanks.
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Old 07-21-2019, 04:25 PM
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I have asked CZ USA if I could buy a barrel through them and they said that they will be available, but didn't say when they would be available. If I could find an MTR available I would buy it.
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Old 07-21-2019, 04:48 PM
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mpolk

Can you explain your pressure point? I may try that. Thanks.
Two pieces of inner tube. Here is a link to the discussion we had on it.
https://www.rimfirecentral.com/forum....php?t=1165275
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Last edited by mpolk; 07-21-2019 at 04:57 PM.
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Old 07-21-2019, 04:56 PM
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Basically I had two pieces of inner tube 1" x 1 1/2" with a glue dot between them and put them under the barrel and moved them around the barrel channel until I found where it shoots best. Mine ended up bout an inch and a half from the front end of the barrel channel. Basically you are finding where the barrel harmonics are correct. Then I put a tiny bit larger piece of aluminum tape there and a glue got between the tape and the bottom of the inner tube pieces so that the oil from the wood would not interfere with the rubber. Shoots outstanding, kind of a barrel tuner in a way.
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Old 07-21-2019, 04:56 PM
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Quote:
Originally Posted by mpolk View Post
Two pieces of inner tube. Here is a ling to the discussion we had on it.
https://www.rimfirecentral.com/forum....php?t=1165275
Did you try placing the pad in different places to find the “sweet spot “
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Old 07-21-2019, 04:57 PM
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Did you try placing the pad in different places to find the “sweet spot “
Yes, see above
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Old 07-21-2019, 05:00 PM
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We used to do it years ago. I had kind of forgotten it until I was having issues from 50 to 100 yards. Worked like a top.
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Old 07-21-2019, 05:02 PM
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Yes, see above
I didn’t see any mention of trying different spots, that’s why I asked.
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Old 07-21-2019, 05:05 PM
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I didn’t see any mention of trying different spots, that’s why I asked.
I think you posted the question at the same time I posted that part. Sorry bout that.
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Old 07-21-2019, 05:06 PM
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Yes, see above
My bad, I’m just surprised that was the spot.
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