Which would benefit more from a 25" barrel - 22LR, 17HMR, 22WMR - RimfireCentral.com Forums

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Old 12-07-2019, 08:25 PM
Rorge Retson

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Which would benefit more from a 25" barrel - 22LR, 17HMR, 22WMR



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Looking at upgrading my 455 to the new 457, but I'll be keeping the barrel sets from my 455 to use in the new rifle.

The 455 has 20.5" barrels, while the 457 has a 24.8" barrel, so I will get the 457 in the caliber I want a 25" barrel for, and keep the two 20" barrels as swap-ins.

The question - which cartridge benefits the most from an additional 4"+ in length?
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Old 12-07-2019, 09:11 PM
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In theory, and neglecting friction: 17 HMR, 22 WMR, 22 LR, in that order.

In reality, it doesn't matter.

The real question is, how do you intend to use them?

JMK

Last edited by JMK; 12-07-2019 at 09:16 PM.
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Old 12-08-2019, 02:09 AM
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Aside from iron sight radius none. All will burn the powder in that length. The 17 will need the most barrel, followed by the 22wmr and then the lr.

It's been the better part of a decade and then some, somewhere there is a thread with various rimfire calibers and the associated length needed to burn all the powder.
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Old 12-08-2019, 07:16 AM
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If one is looking for quieter operation of rifle even while using no silencer. The longer barreled 457 should make 22 lr subsonic rounds quieter, even 22lr hv somewhat quieter- slower projectiles, and noise produced will be also altitude and ambient temp driven.
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Old 12-08-2019, 08:20 AM
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The extra length does help with the noise. I think they balance better too.
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Old 12-08-2019, 08:45 AM
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Originally Posted by comfisherman View Post
Aside from iron sight radius none. All will burn the powder in that length. The 17 will need the most barrel, followed by the 22wmr and then the lr.

It's been the better part of a decade and then some, somewhere there is a thread with various rimfire calibers and the associated length needed to burn all the powder.
Exactly right, but; I think you mean to say century not decade. Otherwise spot on.

IMHO, a 20" barrel is as long as I like with a scoped rimfire. For balance or handling, 20 gets it done. I dont always get my wish, so; I wont pass up a fine fine rifle over one detail. Given an option, I think 20 is about optimum all around. Maybe 18, that ball park. Over 22 has to be for some special reason.

I have some long barrel pistols. I like the cool looks. I know some others feel the same way about long rifle barrels. Unfortunately saying I like a gun for the cool looks does not win many argument points or sway a newbie. I should not be so honest, I may get called out in the Ruger or HS forums. Oh well, I am out of the closet now.
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Old 12-08-2019, 10:12 AM
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The extra length does help with the noise.
10/4 with a 22rf report.
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Old 12-08-2019, 10:39 AM
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Old 12-08-2019, 04:05 PM
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As I was growing up long barrel rifles were the norm and that is what I am used to...the 452 barrel length was ok but the 455 at 20.5" made me frown...now that the 457 is longer than the 452 I have all smiles

Bottom line is what works best for you...24.8" is in my eyes is the perfect length for the 17hmr and 22mag rifles and it's shorter than the Ultra Lux at 28".

Signalman
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