FN P90: First used in the episode "The First Ones", it fires a 5.7x28mm round at 900 rounds/min and utilizes a 50 round horizontal clip. It has 2 rates of fire, full automatic (A on the fire selector), 1 shot semi-auto(1 on the fire selector) and S for safety.
Notable Species Killed/Destroyed: Unas(The First Ones),Replicators(Stargate SG-1 :The Ark of Truth)
MP5: First used in "Children of the Gods", it fires a 10mm or 9x19mm Parabellum at a rate of 800 rounds/min and uses a 30 round detachable box magazine. It has 2 rates of fire, Full auto, semi auto and sfety.
Notable Species Killed/Destroyed: Unas(Thor's Hammer),Jaffa(Season 1-4)
M9: Used as a typical SG unit personnel sidearm, it fires a 9mm Luger round from a 12 or 15 round detacable box magazine.
Notable Species Killed/Destroyed:Goa'uld(Hathor(Hathor),Klor'el(The Serpents Lair),Unas(Thor's Hammer,Demons,)
M4 Carbine: Used by gate room security personnel and also by Col.Carter in "Nemisis". It fires a 5.56x45mm NATO round, fires at 700-950 round/min and dispenses the rounds from a STANAG magazine.Also seen in every opening shot of Cheyenne Mountain.
Notable Species Killer/Destroyed: Replicators(Nemesis)
Zat'Nek'Tel: Dubbed the "Zat Gun" by Gen.O'Neill, it is a sidearm for Jaffa and later SG Unit personnel after it is introduced in "Within The Serpents Grasp." It is powered by a Naqahdah cell. One shot stuns, second kills and thrid disintegrates. It can also be used to disable or destroy electronic equipment.
Notable Species Killed/Stunned:Unas(Beast Of Burden),Strange warriors from 'Foothold.'
Staff Weapon: First seen in the Stargate feature film, it is powered by a lquid Naqahdah cell, it fires a beam of energy powerful enough to put a hole the size of a man's head in a target. The grips along the length of the weapon allow it to be used effectively as a meele weapon.
Notable Species Killed:Unas(Demons)Goa'uld;Cronus(Double Jeopardy),Amonet(Forever in a Day)A few Tau'ri(Exodus,Forever in a day) :(
MP7: Has been seen dual wielded by Teal'C and Col.Mitchel, it fires a 4.6x30mm round at 950 rounds/minute. It's efective range is 200m and uses a 20 or 40 round box magazine.
Notable Species Killed:Zombies(200),Jaffa
G36: It fires a 5.56x45mm NATO round at 750 rounds/minute. It uses a 30 round box magazine and has a effective range of 200-800m.
SPAS 12: Used by SG.1 most particularly when fighting replicators, it fires a 12 gauge shell to an effective range of 40m. It holds 8 shells in a internal tube magazine.
Notable Species Killed/Destroyed:Replicators(Nemesis,Menace)
USAS: Also used by SG.1 while fighting replicators, it fires a 12 gauge shell from a 20 round detachable drum magazine.
Notable Species killed/destroyed:Replicators(Nemesis,Menace)
Administrators Note:If you notice that lot's of Unas seem to get killed,it's not you. :)