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O'Brian Rifle Company

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  #1  
Unread 03-15-2012, 08:04 PM
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Join Date: Apr 2009
Location: Grand Junction, Co
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O'Brian Rifle Company

I have a customers rifle which is a Sako and it is marked 17 Magnum. He said it was made by the O'Brian rifle company. Would anyone know if this would be a 17 Fireball?

Any help would be appreciated

ShortMag3
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  •   #2  
    Unread 03-15-2012, 10:31 PM
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    Join Date: Dec 2009
    Location: Holland, MI
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    Re: O'Brian Rifle Company

    17 Mach IV? aka 17-221 Fireball

    Wolfe Publishing Company

    61306 H&R (O'BRIEN CUSTOMIZED) .17 MAGNUM Harrington & Richardson Rifles for sale, gun classifieds or gun auction from COLISEUM GUN TRADERS. Buy or bid on this 61306 H&R (O'BRIEN CUSTOMIZED) .17 MAGNUM in the category Harrington & Richardson Rifles o

    https://store.bluebookinc.com/Instan...duct=5&id=1211
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      #3  
    Unread 05-21-2013, 01:15 PM
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    Re: O'Brian Rifle Company

    It is chambered for the 17-222 Rem Mag.It holds just a bit more powder than the .17 Rem.You can form cases by running 222 Rem Mag cases through a 204 Ruger die then size in a 17-222 Rem Mag die.It's much easier to just run .204 Ruger cases into the .17 die.They are easier to find and cheaper than 222 Rem Mag cases.Mine is getting 4000 fps out of a 20 in barrel with what seems to be mild loads
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