Wulin legend, wind-chasing gun and stun gun, how to throw them away?

Are you already +5? If it is +5, it can only be destroyed opposite the 7X refiner (it takes 7 days).

If you don't have +5 ... go to wonderful workmanship. Make this weapon into equipment and bind it. Then sell it to NPC. That is to say, throw it in the store.