Adam Savage shows the Blasters used in the Blade Runner 2049. There is rubber and replica.
The original Blaster was based on Charter Arms Bulldog .44 SPL inside a Steyr Mannlicher .222 Model S bolt-action rifle receiver, firing blanks.
The new Blaster uses LED light and muzzle flash was added in using CGI.
He was also an extra in the movie
From: Tested
