Actually, there wouldn’t be a problem with calling it a Flechette Pistol. Especially since Flechette Guns actually exist. As for the specifics, not sure. Generally speaking, Flechette guns fire burts of thin darts that have rather good range and go through Kevlar like it’s a needle going through woven fabric (which, well, it is).
They don’t use them much because it sounds nasty enough to get all kinds of bad PR, and it actually doesn’t do much damage to a person compared to a slower moving bullet, despite it’s ease of getting through body armor. Thus, lots of bad PR plus not so much effectiveness equals a weapon not used often.
Darned if it ain’t a cool weapon though.
Random name suggestions: Electromagnetic Pulser Gun, AKA the Magpulse or the Pulser. Could either fire pulses that release an EMP on impact with a target (very effective against electronic things like robots or guys in powered armor) or it could use electromagnetic pulses to propel projectiles like a little rail gun.
“Plasma Cannon” is always a cool name for a big gun.
Also, never be afraid to recycle current weapons terminology: ie: “Laser Carbine” or the “Coherent Energy Cutlass”
Then there’s the generic sci-fi fallbacks such as the “Ion Cannon”, “Mass Driver” and “Death Ray”
My pile of Doctor Who videos includes things like fission guns, antimolecular disintegrator rays, sonic disruptors and the ever-popular “I reversed the polarity of the neutron flow”.
Well, you learn something new every day. I’d only seen them in my CP2020 sourcebook, so I didn’t really know if they were made up by R. Talsorian or from a real source
Going with another poster’s suggestion about not naming your weapons as a gun, consider: people talk about Brownings, Barettas, Colt .45’s, Lugers, etc. Don’t give it a warped name; give it the name of it’s warped inventor.
F’rinstance: I like, say, The Kostolitz. What does it do, really? I’m not sure. After hitting a ‘soft’ target, such as a body, you’re left with a smoking red-grey smear on the landscape, but it does no damage to ‘hard’ targets like buildings made of steel, concrete and the like. I’m guessing it’s a powerful microwave emitter, but I dunno. It’s a Kostolitz, dammit. And then you can add model numbers as well: The Kostolitz A-9 is the standard hand-held version, but the company also manufactures the Kostolitz D-4 (Sometimes called the Delta-Delta) as a longer-ranged carbine equivalent.
If I can’t catch them in a Noetherian web, I blow them to hell with my Casimir Inverter; unless it’s personal. That calls for six rounds from my trusty Bactrian Pornolyzer.
Sanctihydrate Anti-Nosufuratoid Area Denial System—Holy Water, sprayed around to keep Vampires away. (Oh, right, like there aren’t going to be any vampires in the future.)