Pector, you did a beautiful job on your RPK, the wood looks beautiful. If you're looking for a pistol grip, try DPH Arms.
http://dpharms.com/
I have a Yugo RPK also. I absolutely love this AK variant! She cost me $500, it's a Century, but the Yugo AKs Century released were built very nicely. Probably because Century's monkeys didn't swing their sledges on them.
Here's mine with a 75 round Romanian drum mag:
