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  #1  
Old 03-29-2020, 10:13 PM
carbonbased
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Modern t-bolt: can one change calibers?



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I have a 17 HMR model. What, besides switching out the barrel, is needed to be done to switch my rifle to a 22 wmr? Magazines are the same…
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Old 04-01-2020, 07:30 AM
Camster is online now

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Nothing else...but I doubt that it's economic.
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Old 04-01-2020, 08:16 AM
carbonbased
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Yeah, economics isn't the limiter here. I have a 17 Hornet, which sorta takes over the slot for the HMR, and I like my t-bolt.

I believe CZ 455/457 once can just switch the barrel out and you're good to go. I guess a call to Browning is in order. Too bad t-bolts don't have quite the following of CZ. I can recommend the Jard trigger, however. Makes shooting the little guy much more pleasant. I do wish it was a two-stage, but I make do with the 12oz spring on the Jard.
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Old 04-01-2020, 03:17 PM
roddy

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I'm not sure if anyone makes an aftermarket barrel for the T-Bolt. Browning only sells them as a unit with a receiver. IIRC, the barreled receiver with either a sporter or varmint barrel was around $450 when I last looked.
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Old 04-05-2020, 11:55 AM
LHitchcox

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Probably the most economical way into a .22 WMR would be to sell the .17 HMR and then purchase the .22 WMR.
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Old 04-05-2020, 09:11 PM
carbonbased
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Yeah, I’m not concerned with money with this project.

I emailed Browning and oddly, they cannot advise modifying their firearms, even peripherally. When pressed, they eventually suggested talking to Midwest Gunworks.

Sort of bizarre. I expected some basic info, like “the hmr and wmr bolts are identical or incompatible or this that blah blah blah” or some basic info. Nada. Zip.

The lawyer is strong with this one.
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Old 04-06-2020, 07:49 AM
roddy

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If you're not worried about spending a bit of money to make it what you want, I would pick up the barreled receiver, and have at 'er. the bolts are the same for .22WMR/.17HMR. The only question I would have is how does Browning set headspace in these rifles?

I recently converted an SA-22 from .22 LR to .22 Short. Browning didn't recommend that one either, but I got the parts anyway, and the rifle works great.

Here is a parts/price list. It is a couple years old now, so the prices may have changed a bit, but should be close.

https://www.browning.com/content/dam...432-t-bolt.pdf
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Old 04-06-2020, 10:07 AM
carbonbased
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Hey thanks Roddy! That is the sort of info I’ve been looking for.

It seems Midwest Gunworks has shut down their gunsmith and tech support contacts due to the Covid thing, so the scoping of this project is going onto the back burner.
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Old 04-06-2020, 11:30 AM
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Money no issue? Then just buy a .22 mag rifle and sell yours if you have to.

To spend $450 for a barreled receiver (note the price list is from 2013) ,deal with a possible head space issue,pay shipping and FFL transfer,doesn't make sense.
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Old 04-09-2020, 04:03 AM
BWstickman

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Somebody is a Jackwagon... but another gun JW
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