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.333 Jeffery Flanged
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I have someone who wants me to barrel a P-14 action in .333 Jeffery Flanged and make the loading dies to match. He's already found brass, bullets, and a barrelmaker that can furnish a blank with the right bore.

The only thing I've found on the .333 is the Wikipedia entry. It shows a .333" diameter, 8.5mm bullet. Overall length is 3.49. Listed ballistics are 250gr@2400 and 300gr@2150, which seems like plenty of wallop.

The Wikipedia entry is here: http://en.wikipedia.org/wiki/.333_Jeffery_Flanged

Is this reasonably correct? I'll measure the brass and bullets when they arrive, of course, but I feel a bit in the dark about the cartridge otherwise.

Oh, and will the P-14 even *take* a 3.49" cartridge without gnawing into the bottom locking lug for clearance? The action hasn't arrived yet either...
 
Posts: 45 | Location: Central Arkansas | Registered: 05 October 2009Reply With Quote
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The only drawing I have of this cartridge is called the 33 Jeffery Rimmed. I don't remember were I got the information for this drawing.

Except for the base and COAL it matches the Wikipedia dimensions.


Please advise if there is any corrections I need to do to the drawing.
 
Posts: 2650 | Location: Lakewood, CO | Registered: 15 February 2003Reply With Quote
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Thanks, Mick!
 
Posts: 45 | Location: Central Arkansas | Registered: 05 October 2009Reply With Quote
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Posts: 2097 | Location: Gainesville, FL | Registered: 13 October 2004Reply With Quote
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I founded them for sale at Midway. Looks closer to a 40 degree shoulder (CIP). They are not cheap.

 
Posts: 2650 | Location: Lakewood, CO | Registered: 15 February 2003Reply With Quote
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quote:
Originally posted by TRX:
I have someone who wants me to barrel a P-14 action in .333 Jeffery Flanged...

Oh, and will the P-14 even *take* a 3.49" cartridge without gnawing into the bottom locking lug for clearance? The action hasn't arrived yet either...


I don't understand why your client would choose the flanged case over the rimless case.
Will the P-14 bolt accomodate the flanged case? They are pretty big at the base.

Also, I am a big fan of the .333 Jeff but your client would be better off building the gun with a .338" barrel. Just makes sourcing bullets so much easier and if somebody were to shoot real 333 shells in it, no big deal.
 
Posts: 3329 | Location: Colorado U.S.A. | Registered: 24 December 2004Reply With Quote
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Please advise if there is any corrections I need to do to the drawing.


Only that you should probably use the 333 Jeff Flanged drawing in the first place. Wink



 
Posts: 2097 | Location: S.E. Alaska | Registered: 18 December 2003Reply With Quote
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quote:
Originally posted by MuskegMan:
[QUOTE] Please advise if there is any corrections I need to do to the drawing.


Only that you should probably use the 333 Jeff Flanged drawing in the first place. Wink

Thanks for the drawing. I will make a new drawing because the 33 and the 333 are not really the same cartridge. Smiler
 
Posts: 2650 | Location: Lakewood, CO | Registered: 15 February 2003Reply With Quote
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Hijacking a little, what's the history of the .33 Jeffery Rimmed? How do its ballistics compare to the .333 Jeffery Flanged? I googled but could not find anything on the former except that it existed.
 
Posts: 441 | Location: The Woodlands, Texas | Registered: 25 November 2003Reply With Quote
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According to J J Donnelly, the 33 Jeffery Rimmed can be formed from 280 Flanged brass (Bell). Historically the round dates back to 1911. JJ said that the other name for this round is the 333 Flanged Nitro Express. Development by Jeffery.

Although John and Judy Donnelly have a number of dimensional mistakes in their book (The Handloader's Manual of Cartridge Conversions) I don't dismiss the entire body of their work.
 
Posts: 2650 | Location: Lakewood, CO | Registered: 15 February 2003Reply With Quote
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I have Donnelly's book also, it's good, but as Mick mentioned, there are some discrepancies/errors.
 
Posts: 8169 | Location: humboldt | Registered: 10 April 2002Reply With Quote
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