Scrap Canon Wagon Part 2

Holy Hannah!  Progress!  The cab and bed are complete.  Now to move on to the track units.

Scrap Canon Wagon Part 1

In the interest of maintaining my short attention span, I decided I need gunwagons.  Now being a lazy git, I figured it would be easiest to build a master and cast up what wanted.  This has the added benefit of be a product that I can offer later.  Here's the progress so far: