Have been looking for one of those fibreglass stocks. All I see at the shows are stocks for SKS's mousers, and AK's
Now before you get excited, I have a No4 in 7.62x39 that was given to me many years ago with a short barrel, so the only thing I had done was the conversion. Unfortunately the friend who shortened the barrel, also shortened the forend too much, so when it is fired the mid barrel band has nothing to keep it from sliding forward.