They are OK as long as maintained and kept clean.
50-450 usd
If it is not choked to tight, yes.
100-500 usd or so
50-400 usd
Mid 40s or so
Need the serial number.
100-500 USD depending on EXACTLY what 40 caliber mode you have.
You will need to call S&W to find out.
You did not provide the serial number. You will have to call S&W.
The Smith and Wesson 915 is a semiautomatic 9mm hand gun. The 915 was discontinued in 1995 when the 910 was released.
Depends on overall condition, barrel length, finish, box, manual, accessories, etc.. Range from 200-800
Without knowing all markings, features, serial number and bbl length, it is almost impossible to answer.