#69207
Larry Gibson
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I think a 14″ twist would fit your needs very well.  The throat is starting to erode in my 31″ 30×60 XCB (DAWN with a Broughton Palma contour barrel) which has over 3,000 top end loads pushing 49 – 50,000 psi.  When the throat is gone  I’m having Tim put the front 24″ of barrel on my Mini MK X in 7.62×39 and chamber it in same.  I think the 16: twist will be just perfect for 118 to 125 gr cast at max velocity.  Might even be very good with the 165 gr 30 XCB bullet.

Larry Gibson

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