The MW-20 model of the Bryar pistol was a large, single-handed weapon, featuring a long and bulky frame built around a small grip. The center of the blaster featured a double ammo cartridge that rotated when the current cartridge overheated, readying a fresh one for firing.
The MW-20 was inspired by the K-16 Bryar Pistol from Star Wars Battlefront, itself based on the Bryar pistol from the Legends video game Star Wars: Dark Forces, which partially inspired the plot of Rogue One: A Star Wars Story. Extra features and design elements were added by the prop designers to make the weapon memorable and visually distinct, leading it to be declared a separate model of the same weapon.
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