#2 Pencil test = 9mm?
I have what I always thought is a 7.62mm 1906 American Eagle. I was working on another gun (a C96) and was trying to verify its caliber (7.63 vs 9mm). I tried the #2 pencil test. I had been told that a #2 would go down a 9mm barrel but not a 7.62 mm barrel. Well, I tried it and the pencil went down the c96 and the 1906 barrel. Do I have a 9mm 1906? Has anyone with a 7.62 ever tried the #2 pencil test? Any other ways to verify the caliber between the two?
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