Fornite Double Barrel Shotgun & Upgrades

Hi Brent yes I do have most, if not all the fortnite Weapons. I assume this is the one with the upgrades you were referring too? Now I havent had a chance to merge/ remove the over lapped pieces so do let me know if where on the right track? Then I'll find a chance to prepare the model for printing.
You can open in windows 10 free 3DBuilder and pull the pieces apart yourself now that I have created individual panels. But the individual pieces wont go back together as you would think, so be wear