Law and Order: LA (originally Law and Order: Los Angeles) is the fourth direct spinoff of the series Law & Order. The premise of the series is similar to the original Law & Order, but the setting has now moved to Los Angeles.
The following weapons in the series Law & Order: LA:
The Beretta 92FS is carried by Det. Rex Winters (Skeet Ulrich). Starting in Season 1's "Silver Lake" (S1E10), Ricardo Morales (Alfred Molina) carries the Beretta upon returning to the LAPD after being a prosecutor. Winters and Morales are the first Law & Order regular detectives to carry the Beretta as their sidearms. Uniformed LAPD officers are also seen carrying the weapon.
Glock 17
The Glock 17 is the sidearm primarily carried by Det. Tomas "TJ" Jaruszalski (Corey Stoll). Uniformed and undercover LAPD officers are also seen carrying the weapon.
SIG-Sauer P226
In Season 1's "East Pasadena" (S1E11), an East Pasadena officer is seen using his SIG-Sauer P226 during the standoff in the city council meeting.
Smith & Wesson Model 10
A young witness holds a Smith & Wesson Model 10 on the detectives in Season 1's "Zuma Canyon" (S1E09). An older model with a shorter barrel is used by a suspect in "Benedict Canyon" (S1E12).
M1911A1
In Season 1's "East Pasadena" (S1E11), an M1911A1 is pulled by Mike Foreman to threaten politicians during a city council meeting. Det. Morales describes it as "a .45."
Smith & Wesson 3913
Detective Jaruszalski's personal firearm is a Smith & Wesson 3913. He carries it on a trip to Mexico in "Hayden Tract." (S1E15)
Heckler & Koch USP
A goon of drug lord Cesar Vargas holds a Heckler & Koch USP on Det. Jaruszalski during a kidnapping attempt in "Hayden Tract." (S1E15)
Shotguns
Remington 870
The Remington 870 is used by undercover LAPD officers when apprehending suspects in Season 1's "Harbor City". Some LAPD SWAT Officers use Remington 870s as well.
Submachine Guns
Heckler & Koch MP5A3
Heckler & Koch MP5A3s fitted with weaponlights are used by LAPD SWAT Officers on the show, notably in Season 1's "Sylmar",
Rifles
M4A1 Carbine
Some LAPD SWAT Officers carry M4A1 Carbines, notably in Season 1's "Sylmar". In Season 1's "Zuma Canyon" (S1E09), a Cartel hitman is seen opening fire on party attendees with an M4A1 rifle.
AKMS
A Cartel hitman is seen opening fire on party attendees with an AKMS rifle in Season 1's "Zuma Canyon" (S1E09).
Other
Advanced Taser M26
In Season 1's "Harbor City", Det. Winters is seen using an Advanced Taser M26 to take down a suspect.