(NOTE: The M82G-A1 and the M82SE-1 have been named after Jan Templar and Luger)

Units:

ISA Assault Infantry

Loadout:

M55 Rumbler (Standard-Issue for every Infantryman)

M82G-A1 Templar (Used by Grenadiers and Veteran Assault Infantrymen)

LS12 Ripper (Both Used)

(NOTE: They don't use it with the Burst Mode, as it is used by the Snipers.)

ISA Support Gunner (NOTE: They never have a sidearm)

M224-A1 Hellraiser LSW (Used in Fireteams)

M224-A2 Tyrant V2.0 GPMG (Used in Machine Gun Teams)

ISA Scout Sniper

M33 Stalker Sniper Rifle

LS70 Fors Anti-Matierel Rifle

LS12 Ripper (Used with the Burst-Fire)

ISA Shadow Marshal

(You might know who this is and well, this isn't Luger)

M55 Rumbler

M82SE-1 Luger 

M66-SD Striker SMG

LS12 Ripper (Usually has a Laser-Light Combo and a Silencer, including a VSA / ISA Micro Holo-Sight)