Bladecaster (4e Equipment)
From D&D Wiki
 Superior Ranged Weapons
|Bladecaster||+3||1d4||10/20||25gp||5 lbs||Crossbow||High Crit, Load Free*|
A hail of shurikens fly at your foe. The goblins looked as if they thought only one would come out.
This weapon fire hails of small shurikens at the enemy. The ammunition is fed into the bladecaster through a magazine containing 10 shurikens each (costs 2gp per tube). It takes a standard action to replace the magazine.