Phase pistol

A phase pistol

"They have two settings: stun and kill. It would be best not to confuse them."
Malcolm Reed, 2151

The phase pistol was a type of phase-modulated energy weapon, a personnel sidearm characterized by a focused energy discharge in the form of a steady stream or a phase pulse. It was introduced in 2151 for use by Starfleet personnel as a replacement to the EM-33 pistol. MACO utilized a different model of phase pistol. (ENT episodes: "Broken Bow", "United")

In ultimately unused dialogue from the first draft script of Shadows of P'Jem (written while the episode had the working title "Untitled Andorians Return"), this type of weapon was defined as a "phased-energy pistol" and a "defensive weapon."

Starfleet phase pistolEdit

Phase pistol firing

A phase pistol firing a beam followed by a pulse

Phase pistol on overload

A phase pistol set to overload

The phase pistol was equipped with two settings: "stun" and "kill". (ENT episode: "Broken Bow")

The former could also be used to ignite a fire. (ENT episode: "Desert Crossing")

The temperature to which the weapon was capable of heating a liquid was at least 398 degrees. (ENT episode: "Civilization")

It could be utilized in clearing obstructions of rock and earth, and as a cutting tool, its beam capable of slicing neatly through an enormous root. (ENT episode: "Terra Nova")

By cross-polarizing the power cells to increase particle yield, the weapon could be modified to be more effective against shields. (ENT episode: "Regeneration")

A phase pistol could also be set to overload and function as an explosive device. (ENT episode: "United")

Although phase pistols handled similarly to an EM-33, they were different in that they did not require the user to compensate for particle drift, but to instead point straight at the target. (ENT episodes: "Fight or Flight", "Sleeping Dogs")

The effects of a phase pistol hit also differed from those experienced with other weapons of that era. 22nd century Suliban and Coridan weapons inflicted identifiable wounds, tearing through clothing and into the victim's flesh. (ENT episode: "Shadows of P'Jem")

The phase pistol, however, was capable of having an effect more comparable to an electric shock, capable of causing severe injury without breaking, burning or otherwise damaging the skin. Along with the beam, a pulse would surge through it, causing more damage. (ENT episode: "Broken Bow")

It was also capable of making the rounds harmless for training purposes, possibly by setting the weapon to stun. (ENT episode: "Sleeping Dogs")

However, it was possible for phase pistols to inflict wounds. (ENT episode: "Demons")

Crewmembers from Enterprise NX-01 first used phase pistols in April of 2151, when Captain Jonathan Archer infiltrated a Suliban helix. Aboard the helix, Archer was able to stun a Suliban soldier before having his own phase-pistol turned against him by Silik. Due to bizarre temporal effects within the helix's temporal chamber, however, Archer was able to literally dodge the phase-pistol beam and escaped relatively unharmed, while the beam's presence in the chamber caused a large shock wave to surge through it, as Silik had said it to be unwise to use the weapon in that room. (ENT episode: "Broken Bow")

Enterprise carried a total of fifteen phase pistols on the ship during 2151. (ENT episode: "Shadows of P'Jem")

Ensign Masaro committed suicide with a phase pistol in 2155. (ENT episode: "Terra Prime")

Starfleet phase pistols were used as late as 2161, when an away team from Enterprise fought against a group of aliens on the planet Rigel X. (ENT episode: "These Are the Voyages...")

MACO phase pistolEdit

Hayes pistol

Major Hayes with a MACO phase-pistol

MACOs used their own model of phase pistols as their primary sidearm as well. The pistols were similar in appearance to the EM-33 pistols and were designed to fire blue phase pulses, essentially bolts of energy, instead of beams like those fired by their Starfleet counterparts. The pistols were also equipped with both "stun" and "kill" settings.

In 2154, Talas was shot with a MACO phase pistol set to kill. Although she was only grazed, she, being an Andorian, was especially susceptible to phase-pulse infection, and subsequently died of her injuries. (ENT episodes: "Babel One", "United")


Sometime after the formation of the Federation in 2161, the phase-pistol was replaced with a newer weapon. (Star Trek Beyond)

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