Building a gun out 3D-printed parts is so 2013. Now, the United States Army has managed to 3D-print an entire grenade launcher, and it looks roughly like an assault rifle in the popular video game ...

Summary and Key Points: Advanced grenade launchers are emerging as ... Have you ever watched a cheap science fiction movie and seen what looks like a chunk of plastic imitating a weapon?

If the rest of this sci-fi arsenal follows, war may soon be unrecognizable. Read on for a look at some of these futuristic weapons being tested today. The XM-25 grenade launcher is equipped with a ...

If I had to guess what science-fiction weapon of war would ... This is a shockingly compact setup for a semi-automatic grenade launcher. (Photo by Barrett Firearms) In October, gunmaker Barrett ...

A depiction of a plasma grenade, one of the coolest ... one of the coolest weapons in science fiction. The Needler, aka the Type-33 Guided Munitions Launcher, from Halo 3 viewed in profile ...

The AAI design featured an in-line stock with a bullpup 20-millimeter grenade launcher mounted above a 5.56-by-45-millimeter, AR-style assault rifle. The AAI weapon boasted advanced optics with a ...

The Rippel Effect Systems grenade launcher for drones ... He previously wrote for Popular Science, and also created, solicited, and edited content for a group blog on political science fiction and ...