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Old November 7, 2012, 12:57 PM   #5
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Join Date: December 20, 2007
Location: S.E. Minnesota
Posts: 4,295
I recently picked up a Sig M400 that has a 1 in 7 twist. Does anyone have any experience with 55 gr ammo with that twist rate?
Pardon my ignorance, but what's the barrel length? If it's a short barrel, you should give a box of 55's a try before you dismiss them.

And what about 62 grain?
"The only way to stop a bad guy with a gun is with a good guy with a gun"
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