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Forum Index > Rifles general discussion > re bedding plastic stocks

re bedding plastic stocks

23 Jun 2016
@ 11:15 am (GMT)

mark suckling

Quick question regarding rebedding, its on a Sako A7, do you need to remove all the old bedding compound back to the plastic then burn the plastic again or will the new epoxy stick to the old as long as you have 1.5mm of new compound on it?

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23 Jun 2016
@ 02:31 pm (GMT)

Paul Leverman

Re: re bedding plastic stocks
Hi Mark - the answer is: it depends. Do you have enough thickness in your compound to key into it? When you key into it, is there enough of the original compound to adhere to both the stock and the new material? Is it your rifle, or a client's?

I've tried to re-bed actions for years, way before TBR even existed. Using fibreglas compounds, it was almost impossible. Then came the miracle cure, AcraGlas. This too was almost impossible to repair. The other stuff (that nasty "D" word) came along. It worked, but it was so much effort to make sure everything was acceptable that I might as well have started over. I've never had a re-work turn out aesthetically pleasing. Functional, yes, uglier than sin though. If this is a client's rifle, I would suggest a complete re-work. Even if it's yours, I would go to a complete re-do. The amount of effort is the same, and the practice never hurts.

But, this is only my opinion. Others with more experience may have a better answer.
23 Jun 2016
@ 07:56 pm (GMT)

mark suckling

Re: re bedding plastic stocks
Thanks Paul,
Yes its my rifle, .
23 Jun 2016
@ 08:43 pm (GMT)

Nathan Foster

Re: re bedding plastic stocks
Hi Mark, like Paul says, depends on clearance. The main problem occurs when you try to grind a bit out and hope that a shim bed will do. But instead, the action is forced to sit too high and the job is a bust because magazine alignment (or action screw height) is ruined. The A7 is as you have found even more tricky with the lug alignment.

But, there are always some areas where a wee bit of compound can be left in place, such as at the barrel channel.

Tip- After a good grind, make small balls of plasticine (3mm-4mm) and place these in the stock to check fit. Observe how much the balls squish down to determine how thick your compound will be.

In any case, do try to avoid a shim type re-bed as these never turn out as expected.
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