I found some Midwest rectangular tubing to use for the mounting brackets for the blocks, in this case the whole bloc segment. I used some sheet styren for the missing front plate that is actually attached to the first block and for the rear peice that is missing also. Hex shape Plastruct was used for the bolt heads on the rear peice.
Oh, I used Eduard's M2A2 ODS photo etch set for the foot step and grab handles.
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Don't worry, there will more in theupcoming article with measurments and stock numbers.