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DAVID NANCARROW · August 9, 2002, 01:20 PM

They are not the same diameter. 9mm is .355 so the rounds are going to be .356/357. the 357 are going to be .001/.002 larger as well. The ruger will be more accurate with one or the other.

August 9, 2002, 01:20 PM	#2
DAVID NANCARROW Senior Member Join Date: November 5, 2000 Location: Wyoming Posts: 1,761	They are not the same diameter. 9mm is .355 so the rounds are going to be .356/357. the 357 are going to be .001/.002 larger as well. The ruger will be more accurate with one or the other.