A nickel SIG-Sauer P226 is one of the handguns that Michael fires at the shooting range at the beginning of "Signals and Codes" (S3E05). used by "Dead" Larry Sizemore (Tim Matheson), notably in "Enemies Closer" (S3E13).
Sam Axe (Bruce Campbell) carries a Beretta 92FS as his personal sidearm throughout the series. The Beretta has also seen use by various other characters throughout the series' run, in both suppressed and unsuppressed forms.
Colt 1911 series handguns are seen numerous times throughout the series. In "Friends and Family" (S3E01), a very shiny M1911 is used by Mike's old friend Harlan. In "Shot in the Dark" (S3E07), a 13-year-old boy drops a disassembled M1911 before admitting that he plans to kill his stepfather.
Error creating thumbnail: File missingColt M1911 - .45ACP.Error creating thumbnail: File missingIn "Shot in the Dark" (S3E07), a 13-year-old boy drops a disassembled M1911 owned by Fiona before admitting that he plans to kill his stepfather.Error creating thumbnail: File missingCommercial Satin Nickel M1911A1 Pistol - .45 ACP. Manufactured on license by Remington Rand.Error creating thumbnail: File missingIn "Friends and Family" (S3E01), Harlan shoots Rufino with his 1911. Due to its close proximity to the actor, this is probably a non-gun version. Note that Harlan's pointing the gun slightly off to Rufino's right for safety purposes.Error creating thumbnail: File missingShiny! Harlan then turns the 1911 on Mike. Note the lack of front and rear sights.
Colt Python
A Colt Python is pulled by a kidnapper in "Question and Answer" (S3E02).
A stainless Desert Eagle Mark I is seen in "Fearless Leader" (S3E04) when Sam is being audited as proof of his trip to the Middle East.
Error creating thumbnail: File missingDesert Eagle matte stainless - .357 MagnumError creating thumbnail: File missing"There was this thing, and then the gun didn't have an owner anymore..." In "Fearless Leader" (S3E04), the IRS agent displays the nickel-plated Desert Eagle that Sam says is proof of his trip to the Middle East.
Desert Eagle Mark XIX (Gold-plated)
In "End Run" (S3E03), Michael is seen admiring a gun engineer's collection of guns, which includes a gold-plated Desert Eagle Mark XIX.
In Season 3's summer finale "Long Way Back" (S3E09), bloodthirsty hooligan Thomas O'Neill (Paul Blackthorne) uses a FN FiveseveN to hold Fiona hostage.
Glock 17's are used by Miami PD in the many instances when Mike tricks criminals into being arrested to solve his problem of the week. In Season 3, Detective Paxson (Moon Bloodgood) and Detective Lopez both carry Glock 17's. In "Question and Answer" (S3E02), Sam uses a Glock 17 while playing a corrupt detective.
A Heckler & Koch USP Match is briefly seen in the hands of a gun collector, Jonathan Carver (Scott Michael Morgan) when Michael is fleeing the scene of a fake car accident in "End Run" (S3E03).
In "Long Way Back" (S3E09), Fiona gives Michael her USP Compact with a stainless slide which he says is a .45 caliber. He then uses it when confronting Strickler. Fiona is seen using her USP Compact in Season 2.
The stainless Jericho 941 is a very common sidearm used by bad guys in the show, especially the head bad guy in various episodes. (It's almost like what the Infinity is to Heroes.) The stainless Jericho is notably seen pulled by Santora (Holt McCallany) in "Question & Answer" (S3E02), by Erik Luna (Jay Harrington) in "Shot in the Dark" (S3E07), and by Tom Strickler in "Long Way Back" (S3E09). A black Baby Eagle was used by the henchmen in "End Run" (S3E03) and in "Enemies Closer".
In "Friends Like These" (S3E08), Sam pulls his backup Kahr K9 stainless from an ankle holster after Ex-Serbian Intelligence officer Milovan Drago disarms him of his Beretta. After firing it several times at Milovan, he later uses it in the shootout at Bennet Tash's locksmith store.
In "End Run" (S3E03), Michael is seen admiring a gun engineer's collection of guns, which includes a Ruger Mk I. Pretending to be an idiot, Michael asks if it is a ".357".
The Walther P99 is a frequent handgun used in Season 3, notably by Sean Glenanne (Gideon Emery) in "Long Way Back" (S3E09) and by both Simon (Garret Dillahunt) and Michael in the Season 3 finale "Devil You Know" (S3E16). The P99 is also carried by a kidnapper in "Question & Answer" (S3E02). Along with her PPK/S, Fiona also owns a P99 that she keeps in her apartment which Michael uses when searching for an intruder in "Shot in the Dark".
The Heckler & Koch MP7A1 is a frequent weapon used in Season 3. In "End Run" (S3E03), Sam and Fiona carry MP7's when they break into Brennan's house. Fiona and her brother Sean are armed with MP7's when they attempt to kill O'Neil at his hotel in "Long Way Home" (S3E09). Sam is seen carrying an MP7 in both "Shot in the Dark" (S3E07) and "Friendly Fire" (S3E11).
A variant of the Intratec TEC-9 series of assault pistols (either the KG-99 or the TEC-9 itself) can be seen being used by thugs in "Fearless Leader" (S3E04).
In "Friends Like These" (S3E08), Michael hears the bolt action of a MAC-10 being racked by Bennett Tash. Michael also mentions that the MAC-10 is very inaccurate in the hands of an amateur.
In "Noble Causes" (S3E12), Sugar (Arturo Fernandez) is armed with a Mossberg 500 with sawed-off barrel and stock when some thieves want "to go Tombstone" on him.
Mossberg 500 Persuader (Folding Stock and Door Breaching Brake)
A frequent shotgun seen used in the series is a Mossberg 500 Persuader fitted with a police folding stock, saddle shell holder, and door breaching brake.
A Mossberg 590 Cruiser is held by Joey (Nicholas Galarza) as he goes to threaten his stepfather Erik Luna (Jay Harrington) in "Shot in the Dark" (S3E07).
A Serbu Super Shorty is carried by Fiona while rescuing a kidnapped child in "Question and Answer" (S3E02). Fiona also carries one in "Shot in the Dark" (S3E07).
Heckler & Koch G36C rifles are carried by members of the Russian extraction team sent for Michael in "The Hunter" (S3E06). The men guarding Management (John Mahoney) are also armed with the G36C in "Devil You Know" (S3E16).
In "Friends & Family" (S3E01), Mike's "old buddy" and Special Forces operator Harlan (Brian Van Holt) carries an M4A1 fitted with an M203 grenade launcher, PEQ-2 IR pointer, Surefire light, Aimpoint CompM4 red dot sight, and 3X magnifier to fire into the windshield and engine block of an SUV to disable it during a snatch-and-grab op to kidnap a Venezuelan gangster.
The SIG SG 552 assault rifle is a frequently used weapon in the series. In Season 3's summer finale "Long Way Back", Mike uses a SIG rifle when he and Sam go to rescue Fiona. Mike is seen with one slung over his shoulder in "Friendly Fire" (S3E11) when repelling out a window. In "Enemies Closer" (S3E13), Mike gives a SIG with a scope attached to a drug dealer shoot up a car.
A Bushmaster XM15 "V-Match" fitted with a scope and bipod is used by Sam to provide cover in Season 3's premiere "Friends and Family", as well as when he and Michael go to save Fiona in the Season 3's summer finale "Long Way Back" (S3E09).
Members of a Russian extraction team deploy an M12 Flash Bang grenade when kidnapping Michael in "The Hunter" (S3E06). Michael is then seen using the grenade to create an IED.