This is an original 1988 G.I. Joe Ammo Dump Rocket, a genuine vintage accessory from Hasbro’s G.I. Joe: A Real American Hero line.
The Ammo Dump Rocket is a useful replacement accessory for collectors restoring or completing a vintage G.I. Joe vehicle or playset. Small accessories such as rockets are often missing from loose vintage vehicles, making an original replacement useful when completing an original 1988-era collection.
 
Condition: Very good!