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378 cases to 500 A2 procedure ?
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Can anyone advise me please how to go about this ? i have some old 378 cases and need 500A2 cases and i dont want to ruin them doing it the wrong way .460 cases are now $6.50 each here in Aust and iam buggered if iam paying that ! thanks for any advice ,cheers !
 
Posts: 625 | Location: Australia | Registered: 07 April 2006Reply With Quote
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Due to the double radias shoulder I've had a bitch of a time triing to neck up 378.Even with a tapered 416 expander.
 
Posts: 558 | Location: Southwest B.C. | Registered: 16 November 2005Reply With Quote
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anneal the cases
fireform them .. look in bigbore for how to


opinions vary band of bubbas and STC hunting Club

Information on Ammoguide about
the416AR, 458AR, 470AR, 500AR
What is an AR round? Case Drawings 416-458-470AR and 500AR.
476AR,
http://www.weaponsmith.com
 
Posts: 40052 | Location: Conroe, TX | Registered: 01 June 2002Reply With Quote
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Great thankyou !
 
Posts: 625 | Location: Australia | Registered: 07 April 2006Reply With Quote
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sure enough .. con, paz, andshort and fat all have it down!

fireform them, that is, without a bullet.. i take 416 to 550 with a taper or fireforming... but you must anneal


opinions vary band of bubbas and STC hunting Club

Information on Ammoguide about
the416AR, 458AR, 470AR, 500AR
What is an AR round? Case Drawings 416-458-470AR and 500AR.
476AR,
http://www.weaponsmith.com
 
Posts: 40052 | Location: Conroe, TX | Registered: 01 June 2002Reply With Quote
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