Chapterhouse Studios have created a set of components to build magnetic Combi-weapons for 40K
From their announcement:
One of the first projects I had in mind was completely interchangeable combi-weapons. If you are anything like me, you magnetize your army to save money and headaches. Enter the Chapterhouse Studios Combi-weapon Magnetic kit.
As you can see, it is a standard weapon stock and barrel (could be a bolter, could be a heavy MG), we designed some useful tracks and grips so the different combi-weapon parts will fit nice and smooth. To add to the ease of use, we also have holes pre-drilled and include the correct size rare-earth magnets with the kit (5 total).
So in essence we have:
- base ranged weapon
- flame thrower attachment
- grenade launcher attachment
- plasma gun attachment
- melta gun attachment
- 5 rare earth magnets to fit in predrilled holes
As you can see I now have a power fist armed scout sergeant who will never have to be stuck with the wrong weapon in the wrong situation.