YK42B pulse rifle

The  is an energy weapon in Fallout 2 and Fallout Tactics.

Fallout 2
While named similarly to the pulse grenade and pulse rifle prototype, it is not actually an electromagnetic pulse weapon, but instead shoots electrical pulses effective against all targets, not just electronic devices.

Obtaining

 * This weapon may be found after gaining access to the Brotherhood of Steel bunker in San Francisco. It can be found in one of the lockers in the lower level.


 * It may be found on random Enclave units, such as on the patrols around Navarro.
 * It can also be found on robbers inside mountain caverns, in random encounters. These groups of robbers can be recognized because they are wearing combat armor.

Bugs

 * The YK42B, unlike the YK32 pulse pistol, doesn't fire a visible purple projectile.
 * Missing with this weapon can sometimes cause the game to crash, for instance in the basement of the oil tanker.

Fallout Tactics
One of these weapons can be bought from the quartermaster after recovering the prototype version.

Karabin pulsacyjny YK42B Fusil à impulsions YK42B