It would really not be all that hard, as longas you have at least some proficency with hand tools. G3 wood forearms are cheap you can buy 2 in case you mess up on. The process would just be time consuming. You would have to cut the forarm shoter and make sure that the metal cap that is on the forestock is compatable with your G3k triple frame. As long as it locks in place all you have to do is reprofile that shortened forearm in order for it the accept the shortened wood.
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