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Huntbear
June 18, 2009, 03:01 PM
I have a Sako M995 in .338 WM. The stock cracked right at the wrist section. It is not a deep crack, and I think I can fix it with epoxy. However, my question is which one? The stock is a Polyurethane stock. Any advice??

john323
June 18, 2009, 06:57 PM
Is it a factory stock? Contact Sako and ask them what adhesive the use...or contact the Mfgr of the stock...I have had some adhesives melt poly stocks..

Huntbear
June 18, 2009, 10:29 PM
Yes it is factory, and Sako is not much help. They say to send the stock back at my expense, and let them look at it... NO THANKS! I will fix it myself.

dipper
June 18, 2009, 11:38 PM
I would send it back and let them take a look at it.
They may give you a new stock and all it will cost is maybe shipping one way....much easier and less work than a repair.

sadsack
June 19, 2009, 02:35 AM
dipper: Brownells has "acraglas" that works very well for stock repair. It is thin enough to work deep inside the crack without having to split it even further. The price plus shipping would still be cheaper than returning the stock.

dipper
June 19, 2009, 04:45 AM
sadsack,

I have used acraglas often and it is a good product.

I don't know much about Sakos synthetic stocks but do know that acraglas does not bond well with some synthetics.
Even if it does bond well with the OPs stock, I know for sure that you can not just pore or smear it on a crack and have a repair....you would at least have to take a dremel and carbide burr to the crack and widen it and make it deeper adding a few areas at proper angles to aid in mechanical adhesion.

I was assuming that Sako would not need the complete rifle ( could be wrong) and would just need to see the stock. If so, sending in a 2lb. stock wouldn't be that expensive.
If they look at the stock and see no signs of unusual abuse, I bet they would send him a new one.

Huntbear
June 24, 2009, 11:37 AM
Ok guys, spent about 2 hours with a utility knife, a drill and some acra-glass, and fixed my cracked stock. I opened up the crack line, and under cut the edges, for holding power, as well as drilling small "pillar holes" at angles from the crack. I then created a cross cut, approx. the same width and depth, and laid a piece of SS rod into it. I then took my hand drill and a bit slightly larger than my rod, and drillled two angled holes, from in front of the crack back into the wrist area, I will push a piece of rod into each one. I then sanded the finish off the stock in the area I wanted the acra-glass to adhere. I mixed my acra-glass, filled my drilled holes with it, then pushed my SS pins into the holes till they were below flush. I then finished the fix with the acra-glass, continually keeping the stuff where I wanted it, till it started to set up. Done some sanding on it, and am going to do a custom (read home done) camo paint job on it, to cover the patch. Here is the pictorial.

The crack is a bit hard to see, but goes across the wrist.
http://i175.photobucket.com/albums/w143/csobear/S4200117.jpg

http://i175.photobucket.com/albums/w143/csobear/S4200116.jpg

Prep work is all done.
http://i175.photobucket.com/albums/w143/csobear/crackedstock1.jpg

http://i175.photobucket.com/albums/w143/csobear/crackedstock.jpg


The fixed stock before sanding.
http://i175.photobucket.com/albums/w143/csobear/crackedstock3.jpg

http://i175.photobucket.com/albums/w143/csobear/crackedstock4.jpg

john323
June 24, 2009, 03:26 PM
Good Job!