Re: Who's using a T-7 on a Dillon Strong Mount?
Jason, I've included the same information I sent you earlier today in case others may find it useful as well. With minor edits, the original response is included below:
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Jason,
I have the mount that is 8.5" high. Looking in the Dillon catalog (Blue Press), it is the one they describe as being for the RL550/XL650, stock number G93-22051 for $45.95. It is the one they say includes the RL 550B bin bracket.
You need this height because the T7 press has an underhang of about 7.5" below the bottom of the base. Therefore, you need the extra clearance room provided by the higher mount so that you can secure the mount slightly back from the edge of the tabletop and still have sufficient clearance to operate the handle on the press.
Mine is mounted so that the edge of mount is 1/2" from the edge and the center of the mounting bolt is 1" back. The footprint of the mount on the tabletop is 12" across the front and 10" deep.
I will take a couple of quick pictures and send them to you as well. It will be easier to visualize that way. There is an overall view, and closeups with the handle up, partway down, and all the way down.
The T7 press mounted very easily and did not require any new holes to be drilled on the mounting brackets.
Hopefully this explanation and the pictures will answer all your questions.