In SR2, all one-handed weapons can be dual weilded by the player and can sometimes be seen being dualed by NPCs as well. There is also many improvised weapons availabe.
Used by police and Ultor guards in-game as the "Stun Gun".
USAS-12 Automatic shotgun
Appears as the "AS14 Hammer". Used by Gangs
Savage/Stevens 311A
Appears as the "12 Gauge" again
Colt Sporter Carbine
Appears again as the "AR-40 Xtnd". Used by Ultor Corporation and SWAT. Has been mocked up to look like an XM177, and it also has no bolt assist.
Uzi
9mm SMG used in SR2. Very rare the Ronin are most likely using it though.
Intratec TEC-9
9mm SMG that is cheapest SMG in game.
Glock 22
Appears as "NR4". It is different from the icon above the armory, as it does not have an extended barrel, the trigger guard is different, and the hammer is exposed.
Appears as the "Kobra". The Bianchi edition of the P226 X-Five looks exactly like the Kobra, and comes with an Aimpoint scope. It carries fifteen rounds of 9x19mm NATO (9mm Parabellum).
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IMI Desert Eagle Mark XIX .50 AE
Appears again as "GDHC .50". Strangely, it has an 8-round magazine, only found on the .44 Magnum Desert Eagle.
Replaces .338 Cal "Mcmanus" as .50 Cal "Mcmanus 2010".
IMI Uzi
Known in-game as "GAL 43" It has a wierd MAC-10 style stock for some reason. Can be dual wielded.
Heckler and Koch XM8
Known as the "AR-50 XMAC" in-game. Seen in the hands of the Ultor "Masako" assault team in a trailer, as well as in several cutscenes in game. Can be had with a grenade launcher as well.
Appears as "Vice 9", replacing the 92FS that was used in SR1. For some reason, both the 92FS and the Cheetah are used in cutscenes. Both a stainless and a blued version are availabe (the blued one can be found on customers in gunstores, the stainless is found everywhere else). Error creating thumbnail: File missingBeretta 84FS Pistol .380 ACP
Benelli M3
Appears again as "Tombstone." Used by police and Ultor members.