Note – These are the weapons that will start in the weapon slots in the equipment panel, to add items to the player inventory follow the Starting Items documentation
To set starting weapons slot items for the player character go to the BP_PlayerInventory then in the class defaults search for starting weapons.
The add a new starting weapon click the + icon then set the Data Table to MasterItemList. Next set the Row Name to the item you want to have added to the weapon slot when a new game begins. Then set the Weapon Type to the slot you want this weapon to be equipped to. The item will now be equipped in the set slot, if its a range weapon it will have its default attachments which can be set in its holdable blueprints class defaults.
Note – The item will only be added if it can be equipped to the slot set in Weapon Type.