Type-12B capsules, also known as Type 12-B Hollow-Tip Rockets, were manufactured by the Locris Syndicated Securities and was designed to be used by the Model RDP-12 Rocket Launcher. It was a type of stun rocket dart usually filled with some kind of knockout gas or nerve agent. Typically the Type-12B rocket was filled with the FGA-583 nerve agent. They were also used in the Kelvarek Consolidated Arms MM9 rocket system.