No the gentleman I spoke with said that looking at the pictures I sent, of the cards, that he could accommodate the mules back and add a little room for growth. I see several saddle makers that say they have a couple of mule trees that cover most mules, but I am assuming at this point that they have their own specs and are not using stock bars from a tree maker.
I have emailed HF, Steele, and precision, inquiring about mule bars. No real response except for Bowden. I did call Steele this afternoon and spoke with A lady their. She said they had 2 versions of mule bars and could have a finerglass covered tree done in 4-6 weeks or a bullhide done in @8 weeks. But, that the bullhide covering is outsourced to another vendor. So it could be delayed.