Paul, sorry I missed your post. I didn't need to remove the return roller mount at the front. It would take 5-10 minutes to change the U to an L, with a sharp knife and good magnification. I just never really bothered with it.
I actually have made some progress with this kit. I ran into a few bumps with the instructions that needed sorting out. First off, I mounted the rear plate and the idler mounts, which join together. Fit of the rear parts wasn't perfect, so some putty was used to fill in the small gaps. I just need to finish cleaning it off.



I have since bored out the exhaust openings a little more to give better depth and thin the pipe sides. Next up is assembly of the fenders. There are holes to open and some to fill. I chose to fill but there is no clear indicator as to where to drill the holes, so I didn't. I placed the tools and gear, but should have filled most of the other holes as they weren't used. Placements are not clear, and when the superstructure is added the side extensions will hit the tools, so it would have been better for me to hold off placing most of these items until final construction. Also, the rear fenders are mis-labeled in the instructions. The parts indicated are not the parts to use. I went to the "A" sprue to find what I needed that matched the images and photos. You have the option of using two parts to represent the inner flap and outer piece, in the event you want to pose the outer part folded up, with the tail light showing through the opening. I was going to leave them down and so chose the one piece part, as it is thinner overall.

















The instructions show to remove one part from each mud guard, the extension shaded in blue. The other should also be removed as it won't allow parts to fit later in the construction.
Next in the assembly is the fighting compartment. Mine will be closed up so I won't add the interior details such as radios and MP 40 SMG with etch sling and straps, but they are in the kit if you want them. The main issue pointed out with this kit is the sections on the sides of the gun opening. On the F model, the roof sections should be recessed, closer to horizontal. Dragon's solution was to provide a small insert that replicates concrete, giving the appearance that this section was filled in. The two concrete pieces don't fit all that well. Again, from what I can see in photos, the concrete fills the area completely, with no side gaps. I still haven't decided if I will try to cut the parts down to the proper placement, or do my own concrete fill. The roof sections/hatches go together fairly easily-just dry fit first, but there is no specific indication as to how the etch piece fits in the opening for the sight. It just sort of goes on to your best guess and fit. The front applique armor was welded on for the F series. The radio boxes get specific antenna bases, with the placement holes for the antenna base already on the parts needing to be filled in.









That is all for now. I should be able to update more tomorrow. Once the mud guards are done the kit fairly flies together. I keep feeling like Dragon just threw this kit together as an afterthought, and really didn't have a plan for how it would all turn out. I hope their other F kit is planned more carefully. Any comments, questions, or helpful pointers as to what I have missed will help.