A question like this is best asked on a private server site, where your more likely to get quicker reply from someone who knows. I'm creating a private server with my friend and you need a client and a source that will work together for your weapon.
Godswords.
advice: get a weapon
A Weapon
There is no weapon stash in Runescape. If you need a sword or armor, you can either buy it at the Grand Exchange located at Varrok, or you can make your own.
There's weapon stores in almost every town around Runescape, look for a Sword, Bow, or battleaxe icon on your mini-map.
nothing
If you have a weapon in your inventory, click on it to wield it. This will un-wield any other weapon you have in your weapon slot.
Any weapon that has a great crush bonus:BattleaxesMacesMaulsWarhammers
all you need to do to get poison off of a weapon is use a cleaning cloth.
Dragon claws
Gravite shortbow.
There are many ways to get a weapon in runescape such as: killing monsters making them from smithing them or buying them from various stores.