Proton grenades were a kind of grenade utilizing proton torpedo tech. Each grenade had a price of 60 credits. A well-known model of the proton grenade was manufactured by Merr-Sonn Munitions, Inc., and Mesonics also produced them.
These proton grenades appeared in Gadgets and Gear, a supplementary roleplaying book for the Star Wars Roleplaying game series, released by Fantasy Flight Games during 2019.