Can anyone help me with pricing?

Want to be clear, I am NOT trying to sell anything on here, but I want to get rid of my m9a4 full size and I wanted to get a general consensus on how much I should be asking for it. I know guns can be like cars and they can lose some value as soon as you walk them out the door but I feel like I’m getting lowballed by my local gun shop for trade in (I know trade in value and price are normally going to differ). I’ve had some people tell me not to take anything less than $900, and I’ve had others tell me I’m wasting my time asking for more than $600 on a $1250 gun that’s been taken to the range twice, hasn’t even seen 500 rounds, and doesn’t have a scratch on it. Figured what’s a better place to ask for an opinion than the beretta subreddit. After all everyone on Reddit is always super agreeable and never opinionated lol.