Project EXACTO
The EXACTO project is conducted by DARPA. It is a .50 caliber sniper rifle which has an onboard computer which allows it to change the bullet's direction 50 times per second using flaps. EXACTO can be used to precisely take down moving targets. 

Magpul FMG-9
The Magpul FMG-9 is a submachine gun that folds into a small rectangular block not larger than a laptop battery. It is made of polymer rather than metal.

Xm 25 CDTE
The Xm25 CDTE  is also known as "The Punisher". This is a very high-tech grenade launcher which allows you to control the explosion of the grenade you just fired. The detonation range is manually adjustable up to 10 feet. The Punisher is perfect for hitting targets taking cover in dugouts or behind high walls.

The Liberator
The Liberator is a gun you can make at home. it is made using a 3D printer. The plans for this gun were released on the internet and can still be found on different sites for your downloading pleasure.

Corner Shot
Corner Shot is more like a platform that can attach to guns. With the help of its pivoting joints and a live video camera, corner shot does exactly what the name suggests, shooting around corners. With support for all types of assault rifles nothing beats corner shot while going around a corner.

The Noisy Cricket
The Noisy Cricket is a small handgun with a pointy barrel that appeared in the Men In Black movies. Though it seems small and non-lethal it is very powerful and has a mighty recoil that sends Will Smith flying every time he fires. 

Armatix ip1
The Armatix iP1 comes with a wrist watch which pairs to the gun and adds to its safety features. It has color coded lights to indicate different safety status and cameras can also be added. The handgun will not function unless the watch is within 10 inches of the gun. The watch also shows the number of  shots fired and other important metrics.

Blasters
This is the Star Wars version of the classic ray guns in all sci fi movies. With colors of the laser determining the good and evil sides this weapon will blow almost anything out of its way. 

GLARE LA 9/P
THE GLARE LA 9/P is the most effective non-lethal weapon at the time. It uses a green laser to hail and warn all targets exceeding 41 meters. The gun can be used for signaling ships aircrafts and even comes with a rifle mount for better aiming.

The Sticky Detonator
The Sticky Detonator appears on Halo. This weapon guarantees a direct kill when wielded correctly. Pressing once to fire and again to detonate is cool but good timing will make sticky stick to its targets and the rest is history.