I am the happy owner of a new MKIII, but am left with a couple questions. I did not receive any documentation on the rifle, as far as barrel twist. I know that you can order these in different calibers these days, but this, as far as I know, is a plain jane off the shelf MKIII, 7.62, folder with a 24'' barrel, no brake. Do these proof stamps indicate a 12 twist?

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