What brand of AK is that on the bottom.
It started out as a CYMA AK105.
My guess is the Magpul one?
Nope.
I want to say that is one of his CYMA's that he used to build a Custom Beta Project.
Kinda. I did the math when the Beta Project AK's were just coming out, and I could build my own with better internals for less money, so that's what I did. The key difference is that the AK in discussion has a Knight's Armament URX barrel and RIS assembly on it. Yes, that's right, the front end of an M series on an AK. Bash from Delta9 bought one of the actual Beta Project AK's only to find out he had to dump even more money into it due to very poor internal parts like weak motor and piston/piston head.
I really dig the AK...and the mag setup. 
That's my HSGI Sure Grip Battle/War Belt with double decker HSGI Taco rifle mag pouches. I put them all to the left due to the fact that I'm right handed and it would be easier to hang onto my gun with my right arm while using my free or 'weak' hand to reload.
Thanks for all your compliments, gentlemen! Much appreciated!