Found a local ps90 tri-rail for $1280 out the door. Is this a good deal? gun is black, never been fired, does not come with box.

So I recently purchased a FNH PS90. The first thing I noticed was how small the charging handle is. It quickly became apparent that charging the weapon while wearing gloves would be a hassle. So, I've decided to upgrade my charging handle. And now we come to the major issue I have at hand. I'm...