If the req is 10 or higher, you might consider trying to salvage the string out of it.
By the way, the grip looks as if it was added in after the bow was found. If that's the case, you would've had a better chance at the string if they didn't add it.
Unless it replaced another grip of course, but I imagine any grip from a rare is better than the 10% chance of marksmanship +1.
the requirement for it is 9, im using it at the time and wanted to know if i should sell it or not, i will probably add a better grip to it, this one was on it when i got it
9 req is pretty good.
I see you're a R/N so this bow might work well with you if you use hexes like mark of pain.
Good buy at 1k, probably worth 8-10k because of the chance to salvage the string alone.