That thing looks like it has a secondary bevel on the edge...
That would tend to destroy its efficiency when chopping.
WAY too heavy too...
Take a look at the little Bark River mini-axe... 
http://www.barkriverknifetool.com/biggame/mini-axe.htmlIt is TINY 
 
 But it is capable of BIG jobs...
It was used(with wooden wedges) to split THIS <img src="/images/graemlins/shocked.gif" alt="" /> 
 
   
 You can read a review and the splitting story  
HERE.
I have one, and it is an amazing little axe.