Frame Arms Revolver Cannon

This is probably one of the few Frame Arms Weapons that I won't get - not because I don't like the idea of a revolver-style cannon, but because there are a LOT of new stuff coming out from Kotobukiya right now, and I actually don't know how I'd use this.

http://www.kotobukiya.co.jp/fa-blog/fa-blog-93204/