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-   -   7mm whisper (https://www.huntingnet.com/forum/gunsmithing/411944-7mm-whisper.html)

Ridge Runner 02-19-2017 06:10 AM

what is the rifle? your certain its a 357/7mm super mag? no stamping on the barrel? did you measure the bore?
RR

Don Sr. 02-19-2017 05:11 PM

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.

Don Sr. 02-19-2017 05:12 PM

no stamp on gun bore is 7mm.

Don Sr. 02-19-2017 05:13 PM

no marking on barrel bore was slugged its 7 mm

Ridge Runner 02-20-2017 01:52 AM


Originally Posted by Don Sr. (Post 4294828)
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.
RR

Don Sr. 02-20-2017 05:08 AM

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 .

Ridge Runner 02-20-2017 03:28 PM

357 maximum perhaps?
RR


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