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tjh · March 22, 2013, 09:06 PM

If the 357 sig is fourmed from a 40s&w case necked down , has anyone ever tried to neck down a 10mm case to make a super/mag 357 auto. ?

March 22, 2013, 09:06 PM	#1
tjh Senior Member Join Date: September 25, 2009 Location: North Central Ohio Posts: 171	357 Super Sig ? If the 357 sig is fourmed from a 40s&w case necked down , has anyone ever tried to neck down a 10mm case to make a super/mag 357 auto. ?