WE Dragon parts
 

I am in the process of buying a WE Dragon type B (5.1 version)

I was looking at the newest "Competition 5.1, 7.1"....the one with the strike face and extended rail.... (http://www.redwolfairsoft.com/redwol...l?prodID=20498)

I wonder if it is possible to convert one to the other (I would like to have the longer version....)

Is there a convertion kit or something similar??? (Like strike face, frame extention, outer and inner)