Thread: Flush cups

Has anyone fitted flush cups to a Sako carbon light stock?

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Not a carbon light but I fitted some to my fierce fury which has a carbon fibre stock. So long as you make a cone under the outer layer of the composite skin for the epoxy to fill in and create a wedge is the main thing. I imagine the carbon light stock would be formed around a blank in the same way.

Whatever you drill the hole with, it'll need to be spinning fast to make a neat cut on the carbon fibres, as slow will just tear them & leave a ragged hole. On a mill would be best.

My last one had one


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Originally Posted by buzzman

My last one had one


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Was that the one after the other 3

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Originally Posted by 25/08 IMP

Was that the one after the other 3

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Haha yip number 7 I think


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I have put the Spartan bipod sockets into about 5 carbon stock and as Mathias as said fast drill speed is key.

I used a drill press at 3000rpm and a sharp forstner bit which cuts a nice clean hole. Go slow and let the bit do the cutting.