View Full Version : What a surprise....................
hiram
10-23-2016, 12:42 AM
I finally said to myself---'ya know, you should slug the barrels'.
So I slugged my S&W m&p and the groove was .451--.452.
My Sig P938 was .454--.455.
More labeling bullet containers for each firearm.
odfairfaxsub
10-23-2016, 08:05 AM
I thought the p938 was a 9mm. If that's the case you might be tired
hiram
10-24-2016, 09:04 PM
Sorry--- had a brain fart.
The S&W M&P (9mm) slugged to .351-.352.
The Sig P938 slugged to .354-.355.
leeggen
10-24-2016, 09:13 PM
not to question your results but I have a sig 9mm and it is like .351. Sig was pretty good about bores. Maybe I just got lucky. Did you use a set of micrometers or a verneer to measure, micrometers are the best bet for accurasie.
CD
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