I snapped some (what seem to be sub-par) pics of my "dalianjj", and "Import" Rollars together. Figured I'd share just in case anyone gives a crap. The "Import" version is slightly smaller and better detailed.
MP-04 dosent come with Rollar. "Import" is the name of the maker. It's part of a Masterpiece upgrade kit. MP-04 Rollar & MP-02 Gun Accessory Set - Transformers Masterpiece Masterpiece at BigBadToyStore