There is an endless supply of Star Wards how-tos on the web, it’s pretty awesome… – “Welcome to the Definitve Guide to making your very own FULL METAL Blaster Rifle replica as seen in the Star Wars movies. The parts that went into making this prop came directly from the local hardware store and local automotive salvage yard. The entire replica was built for just over $50.00 USA. It took about 24 hours to complete the project.
The Original E-11 Stormtroper blaster made by ILM for the movies was built from a British Sterling Sub-machinegun (used mainly in World War 2). Other bits and pieces were added to the body o the gun for decoration.