Range is likely a maximum theoretical range firing at an ideal angle.
So 3km at a ballistics traj isn't too far fetched
Accurate and effective? Maybe not..? Still capable of going the distance? Yeah
I think recent chapters however have fleshed out many of the points of contention that have been brought up and if the story continues in this direction it could be genuinely good and not just edge edge edge looky at me i'm so edgey