those are standard 'add-on's.

you can drop in a new trigger group

you can add a vert grip and flashlight mount to your existing hand guards, but they won't be very rugged.

you could get a free float guard.

lots of options. just have to look on line and in catalogs to find what YOU like.

Unless there is some problem with your rifle, you don't need to trade or sell it for anything else.