Harry Bosch (Titus Welliver) uses what appears to be a new Taran Tactical Innovations pistol that is yet to be announced. It looks similar to the TTI Pit Viper, but is actually more compact and has different markings.
Glock 17
The Glock 17 also is the pistol carried by veteran LAPD officers as their sidearm, including Police Officer III Reina Vasquez (Denise G. Sanchez). A suppressed Glock 17 is seen in the hands of corrupt LAPD detective Don Ellis (Max Martini).
In "Hollywood Forever" (S2E05), a hooded suspect pulls out what appears to be a stainless SIG-Sauer P230 pistol in Hollywood Boulevard.
Revolvers
Colt Python
In "The Lady Vanishes" (S2E01), Kurt Dockweiler (David Denman) uses what appears to be a Colt Python revolver taken from a gun safe.
Shotguns
Remington Model 870
The Remington Model 870 is used by LAPD patrol officers as their primary shotgun.
Less Than Lethal
Taser X26P
A Taser X26P pistol with green furniture is carried by LAPD patrol officers.
Remington 870 "Less Lethal"
A Remington 870 shotgun loaded with "less lethal" beanbag rounds is one of the standard weapons now carried by LAPD patrol officers. The shotgun is fitted with green furniture and has an extended mag tube.