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home Forums – The GUN Forum Does an 8.5” 1/7 twist .300blk barrel really have trouble stabilizing heavy subs?

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    Basically the title. I’m reading conflicting reports on this – some folks say that going to a 10.5 solved their keyholing issues. Apparently this is a bigger issue with cheaper barrels such as BCA and Radical. Wasn’t the round originally designed for an 8.5-9.5 ish barrel?
    I’m planning on shooting supers and subs, unsuppressed until I get my can. I’d like to hear about your experiences.

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