The Nuka Quantum grenade was a result of Project Cobalt's attempt at weaponizing the Strontium-90 isotope, nicknamed Quantum, that would later be used to create Nuka-Cola Quantum. The grenade looks identical to a Nuka grenade save for a glowing blue band around the lower half that hints at its origin and working principle. Like all quantum-based weapons, Nuka Quantum grenades detonate in a bright blue mushroom cloud, albeit a much smaller one than for example a Nuka-nuke's. Their damage rating is the same as a Nuka-grenade's minus the radiation component, which makes them the second-most destructive grenade type in the game.
Except for the two examples found next to the Project Cobalt schematics, Nuka Quantum grenades cannot be looted anywhere else in Nuka-World or the Commonwealth. Crafting them at a chemistry station from a fair amount of rare resources is the only way of acquiring them, though usually worth the cost for those hesitant to scavenge for Nuka-grenades due to the latter's enormous power.
Demolition Expert Rank 4
Science! Rank 4
Nuka Quantum grenade (1)
- Two Nuka Quantum grenades can be found in the underground experimentation base underneath the World of Refreshment.
- PC This grenade cannot be shot at using V.A.T.S. and will not explode for double damage even if the player character has Demolition Expert rank 4. [verification needed]