The man at the house in "Maternity Liv" (S1E07) uses a Springfield Armory 1911A1 Mil-Spec against Suzuki.
Smith & Wesson Sigma
Suzuki uses the two-tone Sigma during the raid in "Maternity Liv" (S1E07).
Tarus Judge
A Tarus Judge can be seen in a video reviewed by Babineaux.
Beretta 92FS
Major Lilywhite (Robert Buckley) uses a Beretta 92FS in preparation to defend himself from zombies.
Glock 26 (Dual Tone)
Clive Babineaux (Malcolm Goodwin) discovers a Glock 26 equipped with a suppressor at a victim's house. Blaine may have also used this gun to murder two of his own men attempting to betray him in "Liv and Let Clive" (S1E04).
Smith & Wesson Model 686
The suspect in the Episode Pilot is pictured with a Smith & Wesson Model 686
COP 357 Derringer
Some henchmen are armed with a COP 357 Derringer at the butcher shop
One of the guns Major uses to attack the Butcher shop except the one he has is made with a wood grip
Smith & Wesson Model 629
Walther P88
The henchman in the butcher shop uses a Walther P88. It is somewhat likely Blaine uses the same gun during his murder of Lowell.
Shotguns
Hawk 97-2
Major Lilywhite (Robert Buckley) can be seen with Hawk 97-2 shotgun. The one he uses however does not have a stock.
Mossberg Maverick 88
Detective Clive Babineaux and Detective Suzuki can be seen with the Maverick 88 in "Maternity Liv" (S1E07).
Rifles
Remington 760
During the raid at a house in "Maternity Liv" (S1E07) a woman is seen armed with a Remington 760 rifle.
Colt M16A2
In "Dead Rat, Live Rat, Brown Rat, White Rat" (S1E12) the dealer shows his guns to Major
Submachineguns
SA. Vz.61 Skorpion
The SA. Vz.61 Skorpion can be seen in the trunk of the dealer's car in "Dead rat, Live rat, Brown rat, White Rat" (S1E12). However the one used in the show is has a nickel finish.
Sniper Rifles
Nemesis Arms Vanquish
A Nemesis Arms Vanquish can be seen in the hands of Olivia Moore (Rosie Mclver) while attempting to assassinate Blaine Debeers. The one Liv uses is equipped with a suppressor, bi pod, and a scope.