Russians have armed one of their AN-72P Cargo Planes with rocket pods and a and twin cannon?

Pics via Enrique262 Tumblr Page.

Question for my Russian readers.  Is this a one off or an attempt to do a Russian version of the USAF AC-130 or the USMC KC-130 Harvest Hawk?

Its being marketed as a maritime patrol plane in the same vein as the C-130.