Pistol: a standard gun that can be used more effectively with skill. Hand gun skill will improve accuracy and reduce AP cost.
Assault Rifle: an automatic assault rifle with good accuracy and damage. It doesn't require a lot of skill to use effectively, and is the standard issue weapon for new recruits.
Chain Gun: a heavy weapon that fires a lot of rounds once it gets going. It requires a lot of APs to fire, and strong character to wield it.
Sniper Rifle: a very accurate weapon that needs a long time to aim, and a lot of skill to use effectively. Rifle skill will increase accuracy considerably.
Stun Gun: a short range gun used to inflict stun damage on targets.
Blaster Cannon: a high powered grenade launcher that fires high explosive rounds. It can be used effectively for indirect fire, or against groups of enemy units.
Rocket Launcher: a heavy weapon that launches a single guided rocket. This is a very accurate weapon, but is heavy and fires one shot only. The rocket has a high explosive warhead and is extremely devastating.
Hi Explosive Grenade: a standard anti-personnel grenade that can also blow holes in some of the weaker walls.
Smoke Grenade: a smoke grenade will reduce visibility temporarily, and provide some cover for soldiers.
Combat Knife: a standard close combat weapon. Surprisingly effective, if you can creep up behind an enemy, and doesn't create a lot of distracting noise.