"Whoa, whoa, whoa! Watch it, that's the Night-Night Gun!"
"Well, it's on my stuff, it doesn't work and there's no way we're calling it the
Night-Night Gun."
Leo Fitz and Jemma Simmons[src]

The Night-Night Guns are a prototype tranquilizer weapons family, including sniper rifle and handgun designs. They were engineered by S.H.I.E.L.D. scientists Jemma Simmons and Leo Fitz, and were ultimately replaced by an upgraded version called the I.C.E.R.


This section requires expansion

Night-Night Gun Rifle Version

Agent Grant Ward used Leo Fitz' original Night-Night Gun prototype, modeled after a sniper rifle, to tranquilize Michael Peterson, a man who was in danger of dying from the use of Extremis. This would have caused a violent explosion in the middle of Union Station, killing many civilians. In a surprising turn the dendrotoxin used by the gun fully stabilized Peterson's condition.[1]

Night-Night Gun Pistol Version

"We're gonna have this new 'Night-Night' pistol working in no time, okay?"
"Great. One thing. We're not calling it that."
"Told you."
"Yes, we-- Yes, we are."
Leo Fitz, Grant Ward and Jemma Simmons[src]
Night-Night Pistol

The Night-Night pistol

Following the successful use of Leo Fitz's prototype Night-Night Gun, Fitz developed a set of pistols based on the same technology to be a light-weight and versatile, non-lethal weapon for Coulson's Team to carry and use in field missions.

Phil Coulson used the pistol variant to knock out Akela Amador in her hotel room.[2]

Coulson later attempted to use it to non lethally take down Chan Ho Yin, but all of the rounds were destroyed by his flames, necessitating a more lethal course of action.[3]

Simmons used the Night-Night pistol to incapacitate Agent Jasper Sitwell at The Hub.[4]

Melinda May used the Night-Night pistol to sedate Hannah Hutchins during an "Index Asset Evaluation and Intake" report in Utah that had grown tense.[5]

The Night-Night Pistol was replaced by I.C.E.R.s.[6]


"The bullets work. Non-lethal, heavy stopping power, break up under the sub-cutaneous tissue--"
"Oh, with a dose of .1 microliters of dendrotoxin. I'm not Hermione. I can't create instant paralysis with that."
Leo Fitz and Jemma Simmons[src]

Basically a miracle born of engineering and bio-chemistry, these custom tranquilizer weapons—or as Agent Fitz likes to call them “Night-Night Guns"—are the perfect tools for stopping someone without killing them.

The rifle fires non-lethal bullets with heavy stopping power that break up under the subcutaneous tissue (or skin). From there, the bullets deliver a tiny amount of dendrotoxin, incapacitating the target long enough for them to be secured and without any harmful side effects in the process.

Sniper Rifle Model

The Night-Night Sniper Rifle is based on standard sniper rifles, able to take out targets over a moderate strategic distance using a small caliber cartridge. A top mounted sight helps acquire and track targets over a distance.

Pistol Model

The Night-Night Pistol utilizes eight .45 caliber cartridges in a semi-automatic firing mode with a therapeutic dose of the dendrotoxin.


Appearances for Night-Night Gun


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