it's uncommon to see an rt or rt pro listed at the price you say. i think i've only seen one listed that high currently? most sell for 200-240; more if
I would put it at the low end then. $35-40. Add $10 or so for the feedneck.
Bingo. The particular RT Pro that you mention has been listed and relisted for about 6 months now. Right now there are several AGD markers on Ebay that