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The Factory barrel will be 1 in 9.25, but each barrel is different some will be faster and some will be slower. (This holds true with aftermarket premium barrels) I think 1 in 7 is a bit unlikely, but I would say it is possible. From my experience Savage 243 barrels seam to run a bit faster than 1 in 9.25 most will stabilize bullets that they should not.