Yesterday's Weapons of the Future

Can we take a moment to appreciate the unrealized concepts that we thought would be things decades ago and still aren't really realized?

Personally I'm looking to learn about some of the weirder things from the early Cold War era, so if you have anything to share I'd appreciate it.

But also
>explosive foxhole diggers
How the hell did they think that would work?

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They actually weren't that far off.

>he uses rifle grenades or underbarrel grenade launchers

Why are underbarrel launchers preferable to rifle grenades again?

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Whoops, wrong image

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Eugene Stoner with several hundred rounds on his back

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Imagine how many rounds that could hold if they used flechette rounds?

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Assuming this is a serious question, underbarrel grenades are much quicker to deploy. The user can have a round in the chamber and the launcher on safe when using his weapon and switch immediately to his grenade launcher simply by raising the grenade sights, adjusting his grip, and taking the launcher off safe. A barrel mounted grenade requires the user to have specialty blank ammo, and he must first unload his rifle, mount the grenade, raise the sights, then load the blank in before firing.

Recently there has been a push towards switching to standalone grenade launchers, such as the Milkor MGL, which, although slower to deploy and bulky to carry around, frees up the underbarrel of the rifle for other accessories and allows the user to fire 6 shots, rather than a single shot, before reloading.

Honestly they need to just switch all infantry to small diameter (probably 15mm to 20mm diameter) fragmentation grenade launchers with high capacity magazines in place of their standard issue rifles and carbines, maybe replace sidearms with sub-machine guns like the P90 and MP-7/Uzis if they need to aid the light machinegunner in suppressive fire or in environments where frag grenades are dangerous to the operators.

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>A barrel mounted grenade requires the user to have specialty blank ammo, and he must first unload his rifle
Incorrect

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Is that a famas

Basically they're great for that immediate reaction where you need shit blown up 'right now' and don't have time to fiddle fuck around fitting something on the end of the barrel. That being said, barrel launched grenades tend to have a bit higher charge in them which has its own merits, mechanically simple, low-no maintenance and they don't weigh the rifle down like an underbarrel launcher, that tends to add a fair bit of fat.
Pros and cons to everything.

>how to turn a barrel into a melted banana
>still fucking glorious anyway

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Bongs need to be stopped.

Caseless: the next big thing since the '80s.

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That weapon in Ghost Recon was over powered as hell.

Also it was cool as shit to play those missions in GR2 where you go solo with that future rifle where you shoot around corners and over cover.

Get fucked North Korean fuckin shits.

God damn this makes me want to dig my old xbox out and play this game.

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The SPIW program was just a whole bunch of wacky-looking cobbled together shit

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Why is this not available?

Any more details on that thing on the bottom?

Wonder how well a modern gyrojet would do.

No it's an AK16

What in the fuck is that monstrosity

Cool you got anymore gyrojet launchers? I was just thinking the other day about building one and how to try to make the concept work better.