After years of on and off lurking I'm finally cool enough to join the club
Scored an absolute pristine condition black cap crimper ST300 last week. I don't think it was ever used other than being removed from the box; the pliers were still factory stiff and the blades are flawless and razor sharp! Just gave it a wipe with a thin layer of oil and it's good to go.
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My plan with it was to disassemble it and combine it with parts from a 300M and an EOD. I do want the cap crimper functionality on it but don't want to sacrifice the regular plier jaws like the EOD does so this would have been ideal.
However, since it's in such a good condition and the plier head is out of production, I don't think I'll have the heart to destroy it and I'll have to go back to my initial plan of combining just an EOD and a 300M. 
Good plan, these are relatively rare.