[[File:Hostages S01E03 assassin sniper.jpg|thumb|none|600px|An assassin takes aim with the scoped Nemesis Arms Vanquish at Agent Carlisle.]]
[[File:Hostages S01E03 assassin sniper.jpg|thumb|none|600px|An assassin takes aim with the scoped Nemesis Arms Vanquish at Agent Carlisle.]]
[[File:HostagesS01E11 06.jpg|thumb|none|600px|You can see the markings on the rifle's receiver. Note the Leupould riflescope mounted on the picatinny railing.]]
[[File:HostagesS01E11 06.jpg|thumb|none|600px|You can see the markings on the rifle's receiver. Note the Leupould riflescope mounted on the picatinny railing.]]
[[File:NAV suppressed.jpg|thumb|none|450px|Nemesis Arms Vanquish with suppressor - .308 Winchester]]
[[File:HostagesS01E11 07.jpg|thumb|none|600px|Note the suppressed barrels portruding out of the fake electrical power company van.]]
[[File:HostagesS01E11 07.jpg|thumb|none|600px|Note the suppressed barrels portruding out of the fake electrical power company van.]]
What appears to be a Beretta 92FS Inox was handed to Kramer Daly in "Sister's Keeper" (S1E06). This pistol has a black safety switch and mag release lever, making it likely that this is a Kimar replica.
Archer Petit (Billy Brown) carries what appears to be a Smith & Wesson SW1911SC E-Series as his main sidearm, first used in the beginning of "Truth and Consequences" (S1E05).
Metropolitan Police Department officers are armed with Glock 17s as their main sidearm, first seen near the end of "Truth and Consequences". One is used by a gunman in the middle of "Fight or Flight". An assassin uses one with a suppressor to search for Morgan Sanders with gunmen working for Colonel Thomas Blair are armed with unsuppressed Glock 17s in "Suspicious Minds".
A Heckler & Koch USP Compact was used by Kramer as his main sidearm, first seen in a robbery in "Sister's Keeper". Another one is used by Special Agent Carlisle as he forces Dr. Ellen Sanders to handle a suppressed USP Compact in the same episode.
A SIG-Sauer P229R is used by FBI Special Agent Duncan Carlisle (Dylan McDermott) in the season. He later uses a two-tone version of it when he leads an invasion to seize the Sanders family as hostages in the season. Unfortunately, his sidearm is briefly stolen by armed kidnappers hired to abduct him near the end of "Off the Record".
What appears to be a Walther PPK is used by an armed guard when he confronts Sandrine in "Sister's Keeper". Burton Delaney (Larry Pine) briefly uses one with a mounted suppressor in case Kate Renner would object to his proposal to not tell his daughter on the origin of her birth in "Off the Record".
Dr. Sanders acquires a Smith & Wesson Model 65 revolver before her sister Lauren finds out about it in "Sister's Keeper" (S1E06). Agent Carlisle hands Brian Sanders a Smith & Wesson Model 65 to defend himself in "Suspicious Minds" (S1E14).
Kramer Daly (Rhys Coiro) and Archer Petit (Billy Brown) use Heckler & Koch MP5A3 submachine guns with Surefire tactical lights mounted underneath the barrels when they seize control of the Sanders residence in "Pilot". Secret Service agents and a few MPD Emergency Response Team assaulters use them when the hospital is "attacked" near the end of "Endgame".
A Double Barreled shotgun is used by Kate Renner (Maureen Mueller) when she confronts Dr. Sanders in the middle of "Burden of Truth". A sawed-off double barreled shotgun us used by Herman as his main weapon to attempt a drive-by shooting in "Loose Ends".
A Nemesis Arms Vanquish is used by a hired assassin in the beginning of "Power of Persuasion". A mercenary uses a suppressed Nemesis Arms Vanquish in the middle of "Off the Record".
A cache of small arms were found by MPD officers near the end of "Truth and Consequences".
Error creating thumbnail: File missingMPD officers find a cache on weapons in a sedan's open trunk. There are at least two MP5s with retractable stock and picatinny railed handguard, an AR-15 type rifle and a shotgun.