I had a hard time trying to find a HD video on field stripping the AK-47 that was clear, easy to understand, well lit and well explained. So...here is my contribution, FWIW:
How to Field Strip an AK-47 (in HD) - Clear, Simple and Easy to Follow Video - YouTube
How to Field Strip an AK-47 (in HD) - Clear, Simple and Easy to Follow Video - YouTube