repair of a older plastic stock

farshot

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I have an older plastic / synthetic stock which cracked thru the front receiver screw and part way up the side. It is not glass / kevlar or anything good. It is a type of god knows what kind of plastic. It is not a Ram, or Butler Creek or any others that I have seen, As it has old style swing swivels (not the Mike's) it is probably old.

I have been told that expoxies, glass bed , glues etc just do not stick to these plastics. Does anyone have a suggestion? i was considering heat "welding" the plastic together after using little corrugated steel clips heated up and pushed into the plastic across the joint, but there must be some glue that will chemically bond witht his slippery plastic. I have tried a couple of types on a part of the stock to experiment and even if you roughen the surface - it does not bond properly.

It is off a Gew 88 military Mauser 98 sporter, ....not the end of the world, but I hate to just throw it away. otherwise i have to find an inexpensive replacement
 
hmmmmm.. what is plastic welding? I didnt think it was a defined process (not that i know everything...)

I guess they must have to deal with plastic auto parts that are too expensive to replace if only slightly damaged
 
i would doubt any kind of welding would last on a plastic stock. you might be able to grind out the damage and build it up with jb weld from the inside.. unless the stock is expensive i would think a profesional repair would not be worth while.
 
hmmmmm.. what is plastic welding? I didnt think it was a defined process (not that i know everything...)

I guess they must have to deal with plastic auto parts that are too expensive to replace if only slightly damaged

Plastic welding works pretty good, they melt some plastic rod same color or close and it fuses the broken parts together. I had a Honda vtt rear fender that broke in half, went to CANUS Plastic in Ottawa and they "welded" it back together with a red rod. It shows where the pieces meet but instead of buying a $450 part, it cost me $50 and if ever it breaks again, it won't be at the same place, they did a terrific job. I guess they can do that with many "plastic/polymer" type. Looks like a Hot glue gun but it melts everything on contact to fuse it.

Good luck
 
thanks for that information guys -- again, this site never ceases to amaze me. For example, someone suggested that for necking up .338 to .375 , simply use a boat tail bullet instead of an expander die - I tried both ways and the bullet way was by far the slickest thing i have tried lately!

I do suppose that these stocks are just like tupperware - aren't they?!
 
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