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7mm whisper

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Old 02-19-2017, 07:10 AM
  #11  
Nontypical Buck
 
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what is the rifle? your certain its a 357/7mm super mag? no stamping on the barrel? did you measure the bore?
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Old 02-19-2017, 06:11 PM
  #12  
Spike
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Default 357/7mm super

I don't think its a7mm whisper cause it has a rim. Im thinking it is a 357 maximum necked down to 7mm. The gun is a BSA Martini rifle with a1.125 inch diameter barrel. I made some cases out of 357 magnum but the neck is too short.
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Old 02-19-2017, 06:12 PM
  #13  
Spike
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no stamp on gun bore is 7mm.
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Old 02-19-2017, 06:13 PM
  #14  
Spike
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no marking on barrel bore was slugged its 7 mm
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Old 02-20-2017, 02:52 AM
  #15  
Nontypical Buck
 
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Originally Posted by Don Sr. View Post
no marking on barrel bore was slugged its 7 mm
and it has a 357 mag bolt face? let me do a bit of reasearch.
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Old 02-20-2017, 06:08 AM
  #16  
Spike
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Default 7mm?

Gun is a BSA martini rifle with a 1.125 inch diameter barrel. Cartridge must be rimmed. Bore was slugged its .284/7mm.If you use regular .357 brass the neck is too short when you fire form .
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Old 02-20-2017, 04:28 PM
  #17  
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357 maximum perhaps?
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