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Unidentified
This article currently has one or more unidentified weapons. If you can help identify any of the weapons labelled "unknown," please do so.
What appears to be a Beretta 92FS with a mounted suppressor is used by a murder suspect at the start of "Internal Audit". Deputy Commissioner Frank Da Silva (Peter Gerety) uses one with a mounted silencer near the end of "All in the Family".
Defence Distributed Liberator
A Defence Distributed Liberator 3D printed pistol was used by Lawrence Pendry (Rufus Wright) as a murder weapon in "Step Nine". It appears to be incomplete, with the top portions of the sides of the pistol being omitted or removed.
Glock 17
What appears to be a Glock 17 is used by a murder suspect in "Solve For X". Another one appears to be used in a home invasion-style attack against Cheryl Grayson in "An Unnatural Arrangement". A Glock 17 is in the duty holster of an Ulster County Sheriff in "The Marchioness". Detective Marcus Bell uses the Glock 17 as his main sidearm as a NYPD plainclothes officer in the season. It's used by the Emergency Service Unit as its main sidearm.
Glock 19
The Glock 19 is seen throughout the season as the main sidearm for all NYPD officers.
Heckler & Koch Mark 23
Devon Gaspar (Andrew Howard) uses a suppressed Heckler & Koch Mark 23 as his main weapon throughout the episode "The Diabolical Kind".
M1911A1
What appears to be a M1911A1 with pearl-like grips are found in the shoulder holster of "El Mecanico" (Andrew Samonsky) near the end of "The Marchioness".
A stainless steel Walther PPK was about to be used by Thomas Hauser (Donald Ryan) at the start of "Internal Audit".
Revolvers
Smith & Wesson 36
A Smith & Wesson 36 was used in a trap in the beginning of "On the Line".
Smith & Wesson Model 681
A Smith & Wesson Model 681 is used in the revolver wheel, changing from the Taurus Model 689 in the opening sequence. It makes a return since the opening sequence is used again in the second season.
Taurus Model 689
Taurus Model 689 revolvers are used in the opening sequence of Elementary in a revolver wheel. Like the Model 681, it makes a return since the opening sequence is used again in the second season.
Unknown
Assault Rifles
Colt Law Enforcement Carbine
The Colt Law Enforcement Carbine is used by the ESU in the season as their main assault rifle from the first season.
Mark 18 Mod 0
An ESU operator is armed with the Mark 18 Mod 0 near the end of "All in the Family".
Shotguns
Sawed off shotgun
A sawed off shotgun was brought out in an NYPD office at the beginning of "Tremors" by Silas Cole (Zachary Booth) under schizophrenia.
Sniper Rifles
Nemesis Arms Vanquish
A Nemesis Arms Vanquish was used in an assassination attempt against the Marchioness of Loudwater in "The Marchioness" (S2E07).
Grenades
L2A2 Hand Grenade
An L2A2 hand grenade is used by suspended Detective Inspector Gareth Lestrade (Sean Pertwee) of the Metropolitan Police Service as he crashes a funeral in "Step Nine".