This isn't a 6mm. It is a 6x45mm with a 1 in 10 twist barrel. These are 90 gr. Speers moving at 2700 fps. They stabilize just fine. I think in your 6mm, a 1 in 9 twist will work fine.

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Safe Shooting!
Steve Redgwell
www.303british.com

Get your facts first, then you can distort them as you please. - Mark Twain
Member - Professional Outdoor Media Association of Canada
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