Throughout season 5, MDPD officers are routinely seen carrying the Beretta 92FS. It is safe to assume that any uniformed officer seen with a pistol is using a Beretta 92FS unless otherwise indicated on this page.
In "Curse of the Coffin" (S05E06), Detective Michael Lloyd (Ryan Hurst) is seen with a Beretta 92FS when detaining a suspect.
In "Come As You Are" (S5E10), a Beretta 92FS is used by a civilian at a shooting range designed to simulate a middle-eastern combat zone, the civilian drawing it when his M16A4 runs dry as he encounters the last target.
In "Backstabbers" (S05E11), a terrorist is seen firing a Beretta 92FS at MDPD officers.
In "No Man's Land" (S05E14), Officer Chris Ryder (Mykel Shannon Jenkins) draws a Beretta 92FS after the truck full of weapons he is driving his attacked.
In "Man Down" (S05E15), Clavo Cruz (Gonzalo Menendez) draws a Beretta 92FS when he commits suicide by cop, forcing Horatio to shoot him.
Beretta 92FS Inox
In "Backstabbers" (S05E11), Horatio is seen firing a Beretta 92FS Inox in the lab.
In "Rio" (S05E01), Tiago Matos (Luis Antonio Ramos) uses aims a Glock 17 at Raymond Jr.
In "Going Under" (S05E02), multiple Glock 17s are seen fitted into CornerShots
In "Going, Going, Gone" (S05E09), Detective Jake Berkeley (Johnny Whitworth) is seen with his Glock 17 which he aims at Kornspan when defending Calleigh.
In "Backstabbers" (S05E11), Abu Nafi (Merik Tadros) uses a Glock 17 in a drive-by shooting to kill an attorney while trying to kill Sonya. Horatio is later seen test firing the Glock in the lab.
In "Kill Switch" (S05E23), Paul Billings (Seamus Dever) uses a Glock 17 to attempt to kill his brother Jason.
Glock 17 (Two-Tone)
In "Death Eminent" (S05E05), Ethan Danbury (Ben Livingston) is seen with a Two-Tone Glock 17 when he confronts Horatio at the MDPD.
In "Rush" (S05E20), two actors are seen fighting over an M1911A1 which one actor fires at the other during the filming of a movie.
SIG-Sauer P226
Det. Frank Tripp (Rex Linn) carries a SIG-Sauer P226 throughout season 5.
In "Death Pool 100" (S05E03), a pair of robbers are seen with P226s.
In "Going, Going, Gone" (S05E09), George Kornspan (Jason Blicker) aims a P226 at Calleigh.
In "Born to Kill" (S05E24), an MDPD officer is seen with a SIG-Sauer P226 while searching for a killer.
SIG-Sauer P226 (Two-Tone)
In "If Looks Could Kill" (S05E04), Abby Biggs (Joelle Carter) uses a Two-Tone SIG-Sauer P226 to murder Janet Sterling. This appears to be the same gun used in CSI: NY - Season 6.
In "Born to Kill" (S05E24), an MDPD officer is seen with a Two-Tone SIG-Sauer P226. Unlike the one used in Episode 4, this one appears to have a stainless trigger.
In "If Looks Could Kill" (S05E04), an angry husband chases down the man he catches sleeping with his wife while wielding a Taurus PT 24/7.
Walther P99
In "Backstabbers" (S05E11), a carjacker named Hector Rivera (Rick Gonzalez) uses a Walther P99 to commit a carjacking. Horatio is also seen firing one at the crime lab's shooting range following a shootout with Al-Qadr terrorists.
Unknown S&W
In "Rio" (S05E01), Raymond Caine Jr. (Carter Jenkins) is ween with an unknown S&W which he aims at Matos demanding to speak to his father.
Browning BDA 380
In "Death Pool 100" (S05E03), a Browning BDA 380 said to be firing .380 Auto, is used by a shooter in the pool to kill Dakota.
Revolver
Unknown Revolver 1
In "Darkroom" (S05E08), Gavin LaPorte (Jonathan Cherry) holds Natalia's sister hostage with an unknown revolver.
Unknown Revolver 2
In "Internal Affairs" (S05E12), Lauren Sloan (Sharon Leal) uses an unknown revolver to commit murder. A photo of the gun is seen during the interrogation.
Unknown Revolver 3
In "Triple Threat" (S05E18), Calleigh is seen test firing an unknown revolver which was used by Ashley Whitford (Leslie Bibb) to comitt murder. The revolver is identified as a .38 special.
Unknown Revolver 4
In "Burned" (S05E22), Calleigh removes an unknown revolver from a suspect.
Submachine Guns
PPSh-41
In "No Mans Land"(S05E15), a police truck transporting captured weapons is blown on its side by an IED, which causes all the guns to spill out. Civilians rush to start taking weapons, one man in particular is seen with a PPSh-41 sticking out of his shoulder bag.
Rifles
M16
In "Death Pool 100" (S05E03), Coast Guard Officers are seen with M16s when storming the gambling boat.
M16A4 Rifle
In "Come As You Are" (S05E10), a civilian at a military-themed shooting range set up to simulate urban combat in the middle east can be seen using an M16A4 fitted with an AN/PEQ-2 laser system, RIS foregrip, Surefire Universal weaponlight, and an ACOG scope mounted on the carry handle. Marines shown engaged in combat in Iraq can also be seen with M16A4's throughout the episode.
M1 Garand
In "Come As You Are" (S05E10), a Marine honor guard can be seen firing a gun salute using M1 Garand rifles at the funeral of a slain Marine.
Unknown AK
In "Man Down" (S05E15), when talking about blood diamonds from Africa, an African man is seen holding an AK variant.
Sniper Rifles
Heckler & Koch SL8
During "Throwing Heat" (S05E13), a Cuban assassin comes ashore and obtains a Heckler & Koch SL8 to use as a sniper rifle. He shoots two cops with the gun and then attempts to kill a prominent Miami real estate figure before Horatio Caine intercepts and finally kills him first.
Heckler & Koch SR9T
In "Going, Going, Gone" (S05E09), in order to stop a terrorist-piloted bomb truck from crashing into a nuclear power plant Horatio Caine (David Caruso) takes aim with a Heckler & Koch SR9T sniper rifle and destroys the truck with a single well-placed shot.
Ruger 10/22
In "No Man's Land" (S05E14), a Ruger 10/22 is used in the final seconds of the episode to shoot Eric. The gun is not seen until "Man Down" (S05E15) when Ryan and Calleigh discover it to be the murder weapon. They misidentify it as a .223.
Ruger Mini-14
In "No Man's Land" (S05E14), a sniper is seen firing at Horatio and Eric with a Ruger Mini-14. The gun is again seen in "Man Down" (S05E15),when the CSIs collect the gun from the scene.
Unknown Hunting Rifle
In "A Grizzly Murder" (S05E17), a group of hunters are seen with unknown rifles.
Shotguns
Browning BPS
In "Just Murdered" (S05E11), a man destroys his own boat with a Browning BPS Hunter shotgun during a domestic dispute with his wife (who follows suit with a chainsaw), which seems to be a 20-gauge, judging by the muzzle diameter.
Machine Guns
Browning M2HB Heavy Machine Gun
In "Come As You Are" (S05E10), some U.S. Marines in Iraq are seen using a Browning M2 Heavy Barrel mounted on a Humvee.
Heavy Weapons
M72 LAW
In "No Mans Land" (S05E14) a police truck transporting captured weapons is blown on its side by an IED, which causes all the guns to spill out. A thug steals an M72 LAW, and hides himself in a cement mixer to fire it at a courthouse in order to free his boss.
Other
CornerShot
In "Going Under" (S05E02), a shipment of CornerShot weapon systems are stolen by a Miami gang, the incident attracting the team's attention when one is used to kill an undercover BATF agent, leading the team to join forces with another BATF agent investigating the theft.
Unknown Landmine
In "Throwing Heat" (S05E13), a number of landmines are placed on a Miami beach in an attempt to kill Cuban refugees. Frank accidentally steps on one "almost ruining his day" before the bomb squad defuse it.