In the third season, LAPD Det. Sgt. Dee Dee McCall (Stepfanie Kramer) carries a stainless Walther PPK/S with white grips.
Smith & Wesson Model 36
Several LAPD policemen, including Capt. Charles Devane (Charles Hallahan) and Lt. Ambrose Finn (John Shearin), carry the Smith & Wesson Model 36 in hip holsters. Hunter (Fred Dryer) briefly carries a Model 36 while searching for a suspect in "High Noon in L.A." (3.05).
Smith & Wesson Model 29
Carlos Mariano (George DelHoyo), Curuguyan cultural attache (and brother of McCall's Season 2 rapist), carries a Smith & Wesson Model 29 when he goes in search of Hunter in "High Noon in L.A." (3.05).
Carlos Mariano: "You think this is a joke?" (flashes his Model 29 in a shoulder holster)
Hunter: "No, I think that's a .44 Magnum."
Smith & Wesson Model 10 Heavy Barrel
Many Season 3 villians use the Smith & Wesson Model 10 Heavy Barrel. In "From San Francisco with Love" (3.06), Det. Sgt. Valerie Foster (Laura Johnson) handles a Model 10 belonging to David Hendricks (Mark Withers), later found in David's hand. In "Double Exposure" (3.15), Matthew Winfield's (George Clooney) primary sidearm is a Model 10 Heavy Barrel.
Browning BAR Safari
During the gun store robbery at the beginning of "Bad Company" (3.11), several Browning BAR Safari semi-automatic rifles are seen in racks around the store, as well as a multitude of other long arms.
M16 (SP1)
The LAPD SWAT team carries mostly M16 rifles with thirty round magazines and M16A1 bird cage flash hiders, using them when busting the Soviet agents in "The Girl Next Door" (3.13). Most of the terrorists in the National Aryan Brotherhood in "Bad Company" (3.11) use them with mostly twenty-round magazines, including Harold Hobarts (Dean Stockwell) and his henchmen Lew (Sonny Gibson) and Randy (Big John Studd).
hammerless double barreled shotgun
The gun store owner in "Bad Company" (3.11) is putting away one of his many Double Barreled Shotguns as Angie enters his store to case it out.
Remington 870
The gun store owner in "Bad Company" (3.11) fires a Remington 870 he keeps under the counter at the Aryan Brotherhood terrorists who robbed him. One of the LAPD SWAT team officers busting the Soviet agents in "The Girl Next Door" (3.13) fires a Remington 870 at them.
exposed hammer double barreled shotgun
Dwayne Hatch holds a Double Barreled Shotgun with exposed hammers on Lt. Finn when meeting him in "Bad Company" (3.11).
Several terrorists of the National Aryan Brotherhood carry M1 Carbines, some with extended magazines.
Walther PPK
A Soviet agent in Los Angeles fires a suppressed Walther PPK at Hunter and McCall in "The Girl Next Door" (3.13).
Ruger Mk I
Another Soviet agent in Los Angeles carries a suppressed Ruger Mk I in "The Girl Next Door" (3.13).
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Remington 870 Folding Stock
Det. Sgt. Dee Dee McCall (Stepfanie Kramer) carries a Remington 870 Folding Stock when she and the SWAT team saves Hunter from the Soviet agents in "The Girl Next Door" (3.13).