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Old 2nd April 2013, 08:05 PM
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rich rich is offline
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Join Date: Nov 2008
Location: Shebbear, N Devon
Posts: 1,644

I've added two M5 grub screws radially to my mark 1 at 120 degrees so the barrel is clamped in three planes, like a 3-jaw chuck, and I still got accuracy issues with it floated.
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