This article or section is for a series that is Ongoing, or currently on the air and thus is a continuous work in progress. Screencaps may not be immediately available and information may not be up to date.
Glock 17 pistols fitted with Surefire X300 weaponlights are now carried by the majority of the LAPD officers in the series, including John Nolan (Nathan Fillion), PO3 Tim Bradford (Eric Winter), Jackson West (Titus Makin), and Lucy Chen (Melissa O'Neil). PO3 Doug Stanton (Brandon Routh), Det Nyla Harper (Mekia Cox), and Police Sergeant II Wade Grey (Richard T. Jones) also appear to carry the Glock 17 as their onduty sidearm. The Glock 17 used by the officers is likely a substitute for the Glock 22, the former department-issued sidearm of the LAPD.
Glock 19
The Glock 19 appears to be the sidearm carried by Detective Angela Lopez (Alyssa Diaz).
IMI Jericho 941
Nick Armstrong (Harold Perrineau) uses a stainless steel Jericho 941 in Season 3's premiere "Consequences" (S3E01).
M1911A1
An M1911A1-style pistol appears to be picked up by Grey in "Sabotage" (S3E04).
Kimber Warrior II
What appears to be a Kimber Warrior pistol is used by John Nolan (Nathan Fillion) in Season 3's premiere "Consequences" (S3E01).
The LAPD-issued shotgun in the series is the Remington 870 Police Magnum shotgun with extended magazine tubes. The shotgun is held by Officer Katie Barnes (Katy M. O'Brian) in "New Blood" (S3E11).
Mossberg 590M Shockwave
While undercover, Det Nyla Harper (Mekia Cox) appears to use a Mossberg 590M Shockwave shotgun in "Revelations" (S3E06).
Rifles/Carbines
M4A1 Carbine
The M4A1 Carbine fitted with an EOTech sight, AN/PEQ-5 laser module and a weaponlight is used by a cartel sniper in "La Fiera" (S3E03).
Other
Taser X2
A Taser X2 with the LAPD green coating appears in S03E06 used by Det. Nyla Harper (Mekia Cox).