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Author Topic: .17 Mach IV ???  (Read 656 times)

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Offline Dakota30.06

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.17 Mach IV ???
« on: February 27, 2007, 07:18:15 AM »
I'm unfamiliar with the .17 mach IV....is it rimfire? centerfire? what is it comparable to? A .22 mag necked down to .17 ? Any help would be appreciated. Thanks!
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Offline cnTndr85

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Re: .17 Mach IV ???
« Reply #1 on: February 27, 2007, 09:10:02 AM »
Quote from: Dakota30.06 on February 27, 2007, 07:18:15 AM
I'm unfamiliar with the .17 mach IV....is it rimfire? centerfire? what is it comparable to? A .22 mag necked down to .17 ? Any help would be appreciated. Thanks!

Its a centerfire based on the 221 Fireball cartridge........here's a link to some load/velocity data that may interest you.

http://www.reloadbench.com/cartridges/w17machiv.html

And a little more usefull info from Sinclair.

http://www.sinclairintl.com/newsletters/99b7.html

Mark
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Offline tlyne

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Re: .17 Mach IV ???
« Reply #2 on: February 27, 2007, 09:12:13 AM »
The 17 Mach IV is a 221 centerfire fireball neck down to 17 cal. It will push a 25 grain bullet at 3372 feet per second. A load is BL-C2 19 grains with 25 Gr. HDY HP bullet.
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Offline spinafish

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Re: .17 Mach IV ???
« Reply #3 on: February 28, 2007, 01:17:28 PM »
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