PC plz on rare weapons

Hello returning player here looking to clear out some space in my storage If people can help me out with a few price checks plz and ty. Also, from my observation from looking online people only want req 8-9 is this true?

Quote from Pleikki

Yeah mostly only q7-9. Only the q8 really has value others are worth of the mods.

Q8 Fds prob low xx arms

Thank you I appreciate the info