V3 mechbox is more durable. That can make this AEG more attractive to some than a gun based on a V2 like an Armalite.
As for the 552 MODEL over some other gun, I don't think it makes a lick of difference in airsoft. An AEG is an AEG. Properly upgraded and tuned, one will be just as accurate as another comparable model with the same internal, regardless of body style. It's really a matter of personal preference for both look and comfort.
__________________
|