This sculpt is slightly (10%) too small and the carapace plug is moderately (25%) to large for the Reaver and considerably (50%) too shallow to fit the FW Reaver, however it is passable and needs must. Once I get a 3D Printer up and running, maybe I will upscale the .STL files and adjust the fitting-plug.
I painted this to match the same as my converted Carapace Vulcan Mega Bolter
I quite like the low profile this one has with the side-slung ammo hoppers. The advantage of VMB over a Apocalypse Missile Launcher is six shots and possibility of more with sixes. So on a Close Combat orientated Engine this may be more appropriate, besides I like the 'dakka dakka' this represents!
Here is a sneak preview of the 2nd-hand Reaver, was Legio Defensor, will obviously be re-painted to Legio Astorum!Cheers, Siph