My previous lego gun post was very popular so I did some googling and came across this Lego AK-47:
Click to expand the images:
More photos here.
UPDATE
Michi (viet-kong) has created a new lego AK-47. It is amazing!
Check out these photos
AK with dust cover removed:
muzzle and front sight
Trigger, magazine release and magazine
Stripped down:
more photos here.
Great job Michi.
UPDATE: The AK-47s (folding stock)