Nerf Rival Apollo Barrel

Remixed counterstrikegamer44's Apollo Pump Conversion Kit.
https://www.thingiverse.com/thing:2332073

Extended Barrel 3cm
Integrated the Rail (standard picatinny dimensions)
Raised Rail to be level with priming handle.

This print is LARGE -- overall length is a bit over 315mm.

Because this was remixed from an STL mesh file, the final mesh is quite large with many faces. Sorry for the "messiness" of the file.
Finally, I added a custom raft to the model to aid in printability (withou