Deputy US Marshal Raylan Givens (Timothy Olyphant) and other US Marshals in the series carry the full size Glock 17 as their sidearms, including Chief Deputy Art Mullen (Nick Searcy) and . In Season 5's premiere "A Murder of Crowes" (S5E01), Deputy Marshal Gregg Sutter (David Koechner) is seen pulling his Glock 17 along with Raylan.
Glock 26
The Glock 26 appears in the series mainly as the sidearm carried by Deputy Marshal Rachel Brooks (Erica Tazel). The Glock 26 also appears to be held by Jimmy (Jesse Luken) in Season 5's premiere "A Murder of Crowes" (S5E01).
Beretta 92FS
The Beretta 92FS continues to be the handgun carried by Boyd Crowder (Walton Goggins). In Season 5's premiere "A Murder of Crowes" (S5E01), Elvis Manuel Machado (Amaury Nolasco) pulls the Beretta.
Beretta M9 CQB Brigadier
In "Whistle Past the Graveyard" (S5E08), a Mexican federale pulls what appears to be a Beretta pistol on Boyd and the men. Upon closer inspection, the pistol appears to be a Beretta M9 CQB Brigadier, an airsoft Beretta M9A1 fitted with a "brigadier" slide. This combination does not exist in real life, only as an Airsoft replica.
Beretta Cougar (HFC M800 Replica)
Picker (John Kapelos) appears to carry a Beretta Cougar as his sidearm in Season 5's premiere "A Murder of Crowes" (S5E01). Upon closer inspection, this appears to be an HFC M800, an airsoft pistol modeled after the Cougar. Boyd later is seen holding the pistol in the episode. In "Good Intentions" (S5E03), Mike (Jonathan Kowalsky), Wynn Duffy's bodyguard, appears to also use the pistol to shoot an intruder. In "The Toll" (S5E11), Boyd takes Mike's pistol after detonating a small explosive.
Browning Hi-Power
In "The Kids Aren't All Right" (S5E02), Roscoe (Steve Harris) appears to pull a nickel-plated Browning Hi-Power when he and Jay (Wood Harris) go "Seal Team Six" on a pot dealer.
Colt M1911A1
The M1911A1 is pulled by one of the men transporting marijuana. Carl (Justin Welborn), one of the Boyd's men, also uses an M1911A1.
Colt M1911A1 (Nickel)
Wynn Duffy (Jere Burns) is seen with a nickel M1911A1 during a confrontation in Detroit in Season 5's premiere "A Murder of Crowes" (S5E01).
Colt Mustang
Dewey Crowe appears to pull a Colt Mustang on Wade Messer (James LeGros) in "Over the Mountain" (S5E04).
In "The Kids Aren't All Right" (S5E02), Jay (Wood Harris) appears to pull what appears to be the TSD Caspian gas blowback airsoft replica seen used in Season 4. The thug who beats Hot Rod is briefly seen with one in "Wrong Roads" (S5E09).
EKOL Grizzly Special 99
In Season 5's premiere "A Murder of Crowes" (S5E01), what appears to be a small nickel compact pistol is pulled by one of the men transporting weed marijuana. This pistol appears to be a nickel EKOL Grizzly Special 99, a blank-firing handgun. In some scenes, this pistol turns into a SIG-Sauer P230.
SIG-Sauer P230 SL
One of the drug transporters threatens Boyd and his men with a SIG-Sauer P230 SL in Season 5's premiere "A Murder of Crowes" (S5E01). Earlier, he appeared to be holding an EKOL Grizzly.
Walther PPK/S
Dewey Crowe is seen pulling a Walther PPK/S in "Kill the Messenger" (S5E06).
Revolvers
Ruger GP100
A stainless Ruger GP100 is the sidearm carried by DEA Agent Miller (Eric Roberts) in "Wrong Roads" (S5E09). Miller specifically identifies his revolver as a GP100.
Zoraki R1
Raylan confiscates a nickel revolver from Dewey Crowe in Season 5's premiere "A Murder of Crowes" (S5E01). It resembles a Smith & Wesson Model 36, but upon closer inspection, this is likely a Zoraki R1 blank firing revolver. When Dewey claims the revolver isn't his, Raylan points out the custom grips with the name "Dewey" inscribed on it.
Colt Dragoon
In "The Kids Aren't Alright" (S5E02), Raylan picks up a third model Colt Dragoon that was the property of Charles Monroe (Xander Berkeley). Monroe specifically states that this was a 3rd model and was owned by a Confederate general.
In "Over the Mountain" (S5E04), Boyd takes a Mossberg 500 Cruiser fitted with a field barrel from behind the bar.
AA-12
In "Shot All to Hell" (S5E05), Elias Marcos (Alan Tudyk, credited as Wray Nerely) opens fire on Raylan and Art with an AA-12 fitted with a 32-round drum mag. Elias is seen reloading the shotgun with another drum mag, and chambers a round. Art later picks it up, admiring the shotgun.
Remington 870 Sawed-off
In "Shot All to Hell" (S5E05), Danny Crowe (A.J. Buckley) uses a sawed-off Remington 870 shotgun and pistol grip. This appears to be the same shotgun seen used in Season 2. Both Daryl Crowe Jr. (Michael Rapaport) and Boyd are seen holding the shotgun in "Kill the Messenger" (S5E06). In "Whistle Past the Graveyard" (S5E08), Wendy Crowe (Alicia Witt) uses the shotgun to blow out a few tires.
Rifles
Heckler & Kock HK416
In "Shot All to Hell" (S5E05), members of the US Marshals Special Operations Group are armed with Heckler & Koch HK416s.
M4A1 Carbine
Dewey is seen carrying what appears to be an M4A1 in "Raw Deal" (S5E07). Mexican federales appear to carry M4's in "Whistle Past the Graveyard" (S5E08).
Remington 700SPS Tactical
In Season 5's premiere "A Murder of Crowes" (S5E01), Carl (Justin Welborn), one of Boyd's men, uses what appears to be a Remington 700 SPS rifle.
Ruger M77 Mark II
In "Over the Mountain" (S5E04), a Ruger M77 Mark II rifle is carried by a young hunter when confronted by Dewey.
Ruger AC556K
Danny Crowe is seen armed with a Ruger AC556K in "Raw Deal" (S5E07).
Ruger Mini-14 Stainless version with Folding stock
Daryl Crowe Jr. (Michael Rapaport) is seen armed with a Ruger Mini-14 with a factory folding stock in Stainless steel in "Raw Deal" (S5E07).
Submachine Guns
Heckler & Koch MP7A1
The Heckler & Koch MP7A1 is carried by a Mexican cartel soldier in "Whistle Past the Graveyard" (S5E08).
Steyr TMP
A Mexican cartel soldier is briefly seen carrying a Steyr TMP in "Whistle Past the Graveyard" (S5E08).