This prototype was likely created while developing the Berserker Predator's shoulder cannon seen in the film. These three model cannon pieces are cast in black foam and painted grey.
The items feature some production wear including worn paint as well as rips, bends, and folds in their foam, but are in otherwise good condition.
Item size - 9" x 3" x 3" (22.86cm x 7.62cm x 7.62cm)
This item comes with a Prop Store Certificate of Authenticity.