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Questions tagged [firearms]

For questions about weapons that use an explosion as their main propellant.

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How practical would it be to use a handgun-knife hybrid weapon?

I am writing a character for a tabletop rpg campaign in an high fantasy world which is starting a magitech revolution. She is a secret service operative and I was thinking of giving her this hybrid ...
Rick Heart's user avatar
2 votes
10 answers
298 views

Why do the police forces in my world use antiquated weaponry?

Here's a little background: My science-fantasy world has been devastated by monster attacks coming from various enormous pits inside the planet. The first led to a total collapse of civilization and ...
forgotenm's user avatar
  • 1,054
7 votes
15 answers
3k views

is there any way to make firearms work in a fantasy setting alongside swords and armor and stuff?

So, I'll try to keep this simple. I've had an idea about adding firearms in a setting alongside sword users and the like with the caveat that everyone in this setting is capable of some type of magic. ...
Masakan's user avatar
  • 287
6 votes
1 answer
436 views

Black powder Daisy revolver: possible?

The Daisy V/L was a caseless rifle which used the heated air that compressed through a small hole to ignite the propellant and launch the projectile. In a world I'm making, I'm thinking that a ...
Seraphim's user avatar
  • 4,905
12 votes
6 answers
3k views

Is this diesel gun concept feasible?

Inspired by this question here regarding the possibility of gasoline firearms. On a world that is equivalent to the Late Victorian Period technologically where smokeless or even black powder was not ...
Seraphim's user avatar
  • 4,905
6 votes
7 answers
5k views

What would happen if I fire a gun in an environment with hyper-gravity?

So I've seen a lot of research done into how guns react in low gravity environments as well as on space stations. However, for my story I was wondering how the trajectory, force and speed of the ...
Tycho's user avatar
  • 103
3 votes
1 answer
181 views

Lever action or primitive Bolt for an Army modernizing at speed?

About what is says on the tin. There's this Empire, which for our purposes has a general industrial capacity somewhere around that of 1910s Imperial Germany, but which for various has long neglected ...
Archmagos's user avatar
  • 621
3 votes
3 answers
433 views

Effects of TCO metamaterial on recoil

Triangular Cylindrical Origami (TCO) is a metamaterial that is able to turn a compression wave into a tension wave. This cancels out the force of an impact, but does nothing for the momentum. ...
Seraphim's user avatar
  • 4,905
1 vote
3 answers
192 views

Which firearms should a group of people time-travelling with the intent to conquer carry if it's a one way trip on a ship [closed]

So, recently I've been recently reading Chinese web novels where a group of people travel to the past in a ship. Some of these novels have travelers' ships stranded in time while others find a portal ...
City Lord's user avatar
6 votes
3 answers
2k views

How bullet resistant would a person be who is 80 times more durable than a regular human?

The tensile, shear and compressive strength of all their tissues, including bone, skin, muscle, etc., is multiplied by a factor of 80. They are also very buff and so have a large body volume. How ...
Daniel Mazdak Honar's user avatar
4 votes
3 answers
273 views

How would a creature with third-and-second-person vision be able to wield a firearm effectively?

My urban fantasy story, set at the turn of the milennium, has a species of humanoid beings called the untethered. The most distinctive thing about them is that they lack eyes of their own. Rather than ...
Cyrus Drake's user avatar
  • 8,007
10 votes
4 answers
2k views

I cast spark! Or, Design of preindustrial firearms when people can cast spark

So, in this fantasy preindustrial world almost everyone can cast small spells like spark within a one meter radius from their mouth. Taking that into account, igniting mechanisms like matchlocks or ...
Rhomaioi's user avatar
  • 1,314
0 votes
2 answers
230 views

Evolution of gun under 10 atm

I am currently building an Earth-like planet with 1g gravity and 10 atm(due to 10 times the atmosphere's molecules compare to Earth). The atmosphere does not contain explosive gases. The exact ...
Voyager's user avatar
  • 245
6 votes
5 answers
510 views

Possible mechanism for telescoping barrels

Is it a good idea? No. A very definitive no. However, that's not stopping a young aristocratic terrestrial cuttlefish (long story) that lives on this world's equivalent of a highly mountainous and ...
Seraphim's user avatar
  • 4,905
0 votes
2 answers
145 views

What man or crew sized weapons should my infantry bring into an area where electricity doesn't work to help breakup trench warfare? [closed]

I have an area with highly valuable resources that is highly contested over. The only issue is that the moment someone enters the area, all electronics regardless of type stop working. As such only ...
FIRES_ICE's user avatar
  • 3,153
-9 votes
2 answers
335 views

Would Iridium be a good metal for crafting muskets and cannons?

Iridium is a metal discovered in 1803 that is quite dense and is very resistant against corrosion. Let's say that in the year 1600, every musket and cannon on Earth has their metal components ...
ITM_Coder's user avatar
  • 1,401
15 votes
5 answers
4k views

Methods to reverse engineer black powder

In this scenario a kingdom that has not yet invented black powder has been invaded by an enemy that possess cannons and matchlocks. Since the invaders are few in number the defenders managed to beat ...
user avatar
9 votes
15 answers
7k views

Is it possible to make a concealable firearm that is undetectable to metal detectors? [closed]

In Die Hard 2, there is an infamous scene where the protagonist talks about the fictional Glock 7 that was used against him. Apparently, it was a porcelain gun made in Austria Germany that didn't ...
ITM_Coder's user avatar
  • 1,401
15 votes
16 answers
3k views

Why are firearms not useful against fantasy creatures? [closed]

I am building a world where the modern day has collided with fantasy, and I want a situation where firearms are useful against humans and technology, but not against magic and fantastical creatures. I ...
Alfred Piccioni's user avatar
26 votes
12 answers
4k views

Best way to smell-proof a revolver in 1998?

My heroine, a wandering loner living a nomadic lifestyle traveling across 1998's western US in an RV, is a supernatural being, known as an immortal, with a great many useful powers. However, none of ...
Cyrus Drake's user avatar
  • 8,007
3 votes
6 answers
877 views

Performance of a Modern Carbonic Acid Gun

Air rifles have come a long way. Starting with crude devices that can barely launch a projectile to the Girardoni air rifle to modern examples like the Air Force Texan or the Air Venturi Dragon. ...
Seraphim's user avatar
  • 4,905
2 votes
6 answers
266 views

Large projectiles vs heavy personal armor

In my world personal body armor has reached a point where most weapons designers have given up trying to make cartridges that will penetrate armor, and instead have gone back to large caliber rifles ...
Boo Radley's user avatar
  • 1,196
15 votes
12 answers
5k views

Energy sheathed bullets: What's the point?

In many sci-fi worlds, though mostly Star Wars, the main weapon of choice is some form of "laser" weapon that fires bolts that are way below the speed of light. In said universes, some ...
Seraphim's user avatar
  • 4,905
9 votes
6 answers
492 views

Defending against dinosaurs with an automatic shotgun that fires miniaturized anti-tank munitions

Like any reasonable billionaire, I want to breed dinosaurs on my private island - big ones. Like, T-Rex big. Of course, one needs a well-armed security force to guard such an endeavor, lest the ...
KEY_ABRADE's user avatar
  • 12.8k
38 votes
15 answers
6k views

Can one rig a revolver to guarantee that the only bullet in Russian Roulette is in the last chamber?

We've got this criminal who likes to interrogate people via Russian Roulette. While his captive watches, he empties an unremarkable-looking 6-chamber revolver, re-inserts a single bullet, spins the ...
Tom's user avatar
  • 14.6k
1 vote
1 answer
153 views

Optimal Fuel for GyroJet Handheld Weapon? [closed]

Is there optimal fuel for gyrojet weapons? Specifically, what fuel would best propel gyrojets from a hand held launcher (read gun -- ex: pistol, rifle, volley gun, etc.)? I'm looking for velocity -- ...
Englishman Bob's user avatar
-3 votes
1 answer
157 views

What alternate propellants could be used for firearms? [closed]

What propellants could be used to increase the damage or injury caused by firearms? Answers may include propellants that decrease the service life of the weapon (the weapon should be able to fire a ...
Englishman Bob's user avatar
12 votes
17 answers
4k views

Non-lethal firearm that could throw an assailant backwards a couple feet

How would a non-lethal, hand-held ‘firearm’ (as in not a melee weapon) produce enough ‘force’ (I’m using this word lightly, not as a physicist) to throw an attacker back a minimum of ten feet, work? ...
Kaitlin Jenkins's user avatar
23 votes
6 answers
4k views

Elves with Guns: how do they avoid blowing their ears out on the battlefield?

Let us assume, for the moment, that we have an army of (Tolkienesque) elves to equip, and only modern small arms to equip them with. However, elves have hearing that is rather more sensitive than ...
Shalvenay's user avatar
  • 11.3k
8 votes
5 answers
2k views

Protecting rifled barrels from high friction

Let’s say a new high energy propellant is now in use for infantry rifles. With this new propellant, bullet velocities are increasing into the range of 1200m/s with a 110 grain projectile out of a 20’ ...
Boo Radley's user avatar
  • 1,196
2 votes
3 answers
221 views

Ways to Neutralize Firearms [closed]

I am trying to write a sci-fi story in the near future where armies use mechas but I also want them to engage in close combat using swords. Here is what I came up with so far: An army could use an EMP ...
Mohamed Nagy's user avatar
1 vote
1 answer
147 views

Muzzle velocity of a metallic hydrogen firearm

Related and linked to Metallic Hydrogen Propellant and Barrel length of a metallic hydrogen firearm. In the two previous questions, I've explored different properties of a firearm that uses metallic ...
Seraphim's user avatar
  • 4,905
2 votes
1 answer
126 views

Barrel length of a metallic hydrogen firearm

A overdue follow up for the question Metallic Hydrogen Propellant. One of the points that was brought up on the post was that since the gas propelling the bullet would be atomic hydrogen, the ...
Seraphim's user avatar
  • 4,905
3 votes
2 answers
152 views

How do I make my young character getting shot and recovering realistic with the following narrative needs? [closed]

Ok so here is the scene. I have a twelve year old human girl taking part in the capture of a spacecrafts bridge (think of a location like Star Treks Enterprise). What happens during this scene is ...
MrDracoSpirit's user avatar
1 vote
1 answer
187 views

Could möbius ring shaped devices deflect or possibly redirect bullets?

As a rule, my sci-fi has no force fields. This is interesting, because every type of shielding that would normally have no mass are restricted to be physical devices. The most notable I'm working on ...
LiveInAmbeR's user avatar
  • 10.6k
1 vote
2 answers
426 views

With contemporary technology, is it possible to produce a propellant for bullets that is stored as a liquid but that solidifies upon exposure to air?

I found this question on Worldbuilding Stack Exchange. A part of it interested me; specifically, the part about how, in Jay Dee's setting: Guns are more efficient by use of liquid ammunition that ...
KEY_ABRADE's user avatar
  • 12.8k
3 votes
5 answers
844 views

Changes to firearms based on gasoline

I got a little question: how would it effect firearms if they would not be based on gunpowder but on gasoline like flammable liquid? What I think would happen: -because the liquid would need to be a ...
Mr M's user avatar
  • 53
3 votes
1 answer
471 views

How thick does a layer of spider silk need to be to stop these calibers of bullets from passing through?

Exactly what it says on the tin: how thick would a layer of spider silk need to be to stop each of the following bullets from passing through? .22 Short .32 ACP .380 ACP 9×19mm Parabellum .45 ACP ...
KEY_ABRADE's user avatar
  • 12.8k
2 votes
4 answers
236 views

Mechanical-electric firearm ignition

For some time I've been thinking upon the concept of a firearm that uses a mechanical system to generate an electrical current for use in a electrically ignited firearm without the hassle of batteries....
Seraphim's user avatar
  • 4,905
4 votes
2 answers
161 views

Explosive flechette. Mechanism of detonation

In a world I am currently conceptualizing, the militaries of said world make use of flechette ammunition due to advance ballistic armor which has made all but the higher caliber conventional slug ...
Seraphim's user avatar
  • 4,905
16 votes
10 answers
5k views

Taking the bayonet to its logical conclusion. Or, the pike-rifle

Due to some copious amount of handwavium, projectile weapons are not as effective as their melee counterparts. They are still very useful, but not to the point of replacing close combat. Historically, ...
Rhomaioi's user avatar
  • 1,314
1 vote
2 answers
132 views

Ergonomics of a Metal Storm Staff Gun

Upon the The Peaks of Comprehension lies the the Temple of Knowledge, where monks labor, record, observe and preserve knowledge both old and new. With the knowledge they have gained, the monks go out ...
Seraphim's user avatar
  • 4,905
3 votes
1 answer
393 views

Sodium Azide for Bullet Propellant?

I'm considering alternatives to current gunpower or smokeless powders for bullet propellant. I ran across Sodium Azide, used for airbags mainly. If it is ignited, it starts a decomposition reactions ...
itisyeetimetoday's user avatar
1 vote
4 answers
248 views

How practical would firearms be for early humans?

The basic setup for this world is that whenever someone dies, their soul is subjected to reincarnation. However, every once and a while this system fails and the souls are lost into limbo where they ...
Matt Mac's user avatar
2 votes
5 answers
2k views

Overcoming the issues of caseless ammunition

I am currently making a science fiction universe set in a very distant future. Someone suggested that the weapons should use caseless ammunition. However, I cannot find a reason to why you should ...
Jim Kenichi Works's user avatar
1 vote
1 answer
129 views

Uses for dragons in combat in a Renaissance-level setting with cannons, muskets, and magic? [closed]

My fantasy setting has late Renaissance-level technology with cannons and muskets, along with a moderate level of magic (i.e. Wizards and other spellcasters are well-known, but pretty uncommon). How ...
AshDrake049182's user avatar
31 votes
6 answers
11k views

Effect of Modern Firearms on Dinosaurs

Man vs Dinosaur. It is a relatively common trope in various Sci fi settings, most famously done in Jurassic Park. These depictions have always fascinated me. I have always been bothered, however, by ...
Cyrus_The_Great_Fanboys_Only's user avatar
3 votes
2 answers
233 views

Chambering pistols in PDW ammo- does it make sense?

My setting is set around the 23rd century, and for my military, I was wondering what kind of sidearms they’d use. After searching, I found something interesting: there are pistols chambered in 5....
DT Cooper's user avatar
  • 11.3k
11 votes
11 answers
6k views

Are AP slugs for shotguns possible?

When writing stories I usually use war as a simple and understandable way to introduce a conflict that needs to be resolved or sweeps the character away. To keep it interesting I need to build ...
Demigan's user avatar
  • 45.4k
10 votes
1 answer
823 views

Metallic Hydrogen Propellant

The idea of potentially using Metallic Hydrogen as a replacement for smokeless powder in current day rifles as a propellant has often been thrown around. What these question don't ask is how well it ...
Seraphim's user avatar
  • 4,905