What appears to be the Glock 17 is carried by police officers, notably in "Live Free or Die" (S5E01). In "Madrigal" (S5E02), Chris (one of Mike's former men) uses one with a suppressor to kill Duane Chow.
DEA Agent Hank Schrader (Dean Norris) continues to carry a Glock 22 as his sidearm in the series. He is notably seen drawing his weapon in "To'hajiilee" (S5E13).
In "Madrigal" (S5E02), Mike uses a suppressed Beretta Cheetah to kill his former man Chris, at the conclusion of the episode he is seen checking it and later threatening the paranoid Madrigal executive Lydia with it.
In "Live Free or Die" (S5E01), Mike pulls a Beretta 92FS Inox on Walt. He previously acquired this weapon in "Salud" (S4E10). He also carries the Beretta in other episodes of Season 5, including "Buyout" (S5E06).
Error creating thumbnail: File missingAmerican made Beretta 92FS Inox, note the black controls (slide release, thumb safety, safety switch, hammer, magazine release button, rear sight, trigger), magazine bottom plate, grip and Allen/hex grip screws distinguishing it from the Italian 92FS Inox - 9x19mmFile:BB S05E01 2.jpgMike aims his Beretta at Walt in "Live Free or Die" (S5E01).File:Breaking Bad S05E06 T1.jpgMike hold his gun behind his belt. "Buyout" (S5E06)File:Breaking Bad S05E06 T2.jpgMike aims his Beretta at Walt. "Buyout" (S5E06)
AMT Backup .380ACP
A AMT Backup .380ACP is seen in "Gliding Over All" (S5E08). It's given to Jesse by Saul in a deleted sequence. Jesse tosses it to the floor right after Walter's visit.
After losing his S&W, Todd (Jesse Plemons) starts carrying a Ruger semi-automatic pistol which appears to be a Ruger KP94. It is seen most notably in "To'hajiilee" (S5E13) during the climax.
A Colt Woodsman is one of the weapons that Mike disposes of by throwing it into a well in "Say My Name" (S5E07). Although only the front portion of the pistol is seen so it is not possible to positively identified the specific model, the 4.5" barrel, high ramped front sight and the shape of the trigger guard suggest it is likely a 2nd series "Sport".
In "Say My Name" (S5E07), Mike keeps a bag full of money as well as a Taurus Model 605 in a holster. Walter is later seen holding the revolver in the episode.
Taurus Model 85 with stainless finish - .357 MagnumFile:BB S05E07 1.jpgIn "Say My Name" (S5E07), the Taurus revolver is seen in the holster.File:BB S05E07 6.jpgIn "Say My Name" (S5E07), Walter holds the revolver.File:BB S05E07 7.jpgIn "Say My Name" (S5E07), Walter with the revolver.
Assault Rifles
M4A1 Carbine
The M4A1 Carbine is used by some of the men employed by Jack Welker (Michael Bowen) in "To'hajiilee" (S5E13).
An AA-12 automatic shotgun is used by Kenny (Kevin Rankin) in Season 5. It first appears in "Buried" (S5E10) and is seen more prominently in "To'hajiilee" (S5E13).
A Mossberg 500 is seen tossed into a well by Mike in "Say My Name" (S5E07). A Mossberg 500 shotgun is seen in the gun rack in the series finale "Felina" (S5E16).
File:BB S05E07 2.jpgMike throwing the Mossberg into the well in "Say My Name" (S5E07).File:BBS5E16 11.jpgA Mossberg 500 shotgun is seen in the gun rack in the series finale "Felina" (S5E16).
Machine Guns
M60
Walter White (Bryan Cranston) is seen retrieving an M60 machine gun, with an instruction manual and several boxes of ammunition, from the trunk of a car after purchasing it from Lawson (Jim Beaver) in "Live Free or Die" (S5E01). The machine gun is later seen in the series finale "Felina" (S5E16).