Blade Runner is a tech noir science fiction film directed by Ridley Scott, and starring Harrison Ford, Rutger Hauer, Sean Young, and Edward James Olmos, based on the 1968 novel Do Androids Dream of Electric Sheep? by Philip K. Dick.
The actual prop was a gun inside of a gun: Steyr Mannlicher .222 Model SL action rifle receiver and trigger assembly with a Charter Arms .44 Special Police Bulldog inside it. In 2009 it was auctioned off for the staggering price of $270,000. That was after these pics were taken in 2006.