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DIY fiberglass stock

 
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  #1  
Old 06-12-2013, 10:38 AM
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Join Date: Mar 2012
Location: Northern California
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DIY fiberglass stock

Anyone done your own fiberglass stock? Been reading up on it and can't decide if I wanna do a glass over foam.. Or a mold.. Any ideas? As always input is appreciated.
Thanks
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  #2  
Old 06-12-2013, 09:47 PM
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Location: Canterbury, New Zealand
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Re: DIY fiberglass stock

Have a look at this thread Homemade fibreglass stock
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  #3  
Old 06-12-2013, 10:18 PM
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Re: DIY fiberglass stock

Fantastic! I've been kicking the idea around for a little while. Was planning on doing an aluminum block at the action milled out to accept it. And run a rolled stock frame up the for end and also off the back to the butt. Was thinking I'd use expanding foam and wet set it in a box and envelope it. Wait for it to dry and shape it. Then lay up over that. Do you think all the metal is over kill? For a 300 wsm..
Also can you apply the epoxy and silica as a top coat to hide the glass?
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Old 06-13-2013, 03:05 PM
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Re: DIY fiberglass stock

I don't use any metal work in my actions and have made a number of 7mm mags and one 300 wsm. There have been no problems with the actions.
Yes you can apply the epoxy and silica as a top coat.
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  #5  
Old 06-13-2013, 05:57 PM
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Re: DIY fiberglass stock

I apologize for asking if you had mentioned it already but did you completely fill the for end with glass and resin? If so do your swivel studs stay in? Or did you back it up with wood? Also (don't mean to be a pain) when you bedded your action how much of a void did you have to fill? Was it pretty much completely open through the trigger area and bottom metal?
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Old 06-13-2013, 06:08 PM
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Re: DIY fiberglass stock

Thought I was done didn't ya? When you made the silicone mold in two pieces? Did you mean top and bottom? And joining the two halves of the stock. You laid three layers of glass and resin did you sandwich them in there when you bolted the mold together?
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Old 06-13-2013, 06:44 PM
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Re: DIY fiberglass stock

To put the swivel studs in I drill the hole for the studs, insert the studs and use plasticene around the stud to hold it in place.
I have already made a dam around the hole on the inside of the stock, then pour thickened resin around the stud.
I use a machine screw stud with the nut on the fore-end ( you will need to cut some of the screw off to shorten it) and a 3/4" wood screw on the but.
I use expanding polyurethane foam in the fore-end and butt to deaden the hollow sound there is no mechanical support from the foam.
Yes the action cast is two piece, top and bottom. The action area is completely hollow and the action cast is put in and then taped in place. I just wrap completely around it. You may need to put plasticene in places to seal the actioncast onto the stock properly before taping. Then stand the stock on the but and pour in thickened resin. It takes about 100g Z105 and 20g Z206 to fill the action area give or take. Don't mix it in one lot or the heat will make it go off real fast, plus it gets REALLY hot. I cast the action in the evening for this reason and use the Z206 slow hardener fro this reason as well.
Joining the two halves together. Bolt the two halves of the mold together then lay the cloth over the join lines. Doing the but is tricky. I use a thin piece of plastic to get the cloth into the but and a bent wire to push the cloth down into the pistol grip etc. Be prepared to take several goes at it the first time. It can be really frustrating.
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