Originally Posted by draconianruler
What are you guys using to fill the thumb hole stocks or extend the back of pistol grips (like the monsterman grip)? I need to custom fab a PTR91 grip unless Monsterman already makes one that I don't know about. Do you think any expoy will work?
Lot of people have used just epoxy, among other materials. I know from experience that pure epoxy is brittle so I reinforce it with fiberglass cloth.
BTW, I like to use West Systems with their range of fillers and quality fiberglass cloth.