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22/250 Ackley Improved
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malcolm
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posted
can anyone help me with the dimensions of the 22/250 Ackley Improved----I`m especially after the outside diameter at the shoulder. A new standard unfired case measures .417 (Hornady manual ) thanks
Malcolm
 
Posts: 110 | Location: Australia | Registered: 22 September 2002Reply With Quote
HiWall
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0.454
 
Posts: 323 | Location: Back Home in Aus. | Registered: 24 September 2001Reply With Quote
malcolm
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thanks Highwall, I must track down PO Ackley`s manuals one day
Malcolm
 
Posts: 110 | Location: Australia | Registered: 22 September 2002Reply With Quote
<JBelk>
posted
malcolm---

The P.O. Ackley books are a wealth of information but Ken Howell's "Designing and Forming Custom Cartridges" in ten times the reference work. You can get it through Precision Shooting Magazine. It's by far the best reference work on cartridge dimensions on the market.
 
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Mike375
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Malcom,

Clymer reamer's website has .455 for the shoulder of their 22/250 AI reamer.

Mike
 
Posts: 7206 | Location: Sydney, Australia | Registered: 22 May 2002Reply With Quote
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