This is making of the RangePower ECS-10.
Step 1: Materials
You Need a Demolisher 2-in-1,
All Retaliator XD attachments, (Except assault grip)
UKArms Laser, (Optional)
Step 4: And Lastly,
Super Glue. (E6000 works best [optional] here)
Step 5: Step 1
Remove the stock. You will need the space for the alternate stock.
Step 6: Step 2
Take your Retaliator XD parts (yes, has to be Elite XD for this to work) and attach them.
Step 7: Step 3 (Optional)
Place the laser on the side tactical rails, then, glue it on.
Step 8: Done