[Couldn't find any duelies like that, so yeh theres two.]
The pistols use the same interworkings as those of a magnetic accelerator cannon, but downscaled to the size of a blaster pistol, yet it is not a blaster, it is a slugthrower.
The Pistols are made out of Beskar, material.
They are manufactured privately.
The bullets, are silver. [Just for the sheer point of being sexy, luls.]