In Plain Sight - Season 4 (2011)

The following weapons were used in Season 4 of In Plain Sight:

Pistol

Glock 17

Throughout season 3, various characters are seen using Glock 17s. Marshall Mann (Frederick Weller), Stan McQueen (Paul Ben-Victor), Charlie Connor (Keith Nobbs), Marshal's father Seth Mann (Geoff Pierson) and various FBI agents.

Glock 17 (2nd Generation) - 9x19mm

Throughout season 3, Mary Shannon (Mary McCormack) appears to carry a Glock 19.

Glock 19 (2nd Generation) - 9x19mm

In "The Rolling Stones" (S04E09), Reidell (Chris Ellis) is seen wielding an unknown 1911.

Reidell aims the gun. (S04E09)

Another view as Reidell uses the gun. (S04E09)

In "I'm a Liver Not a Fighter" (S04E07), a Lithuanian mob member is seen with unknown S&W pistol.

The mob member aims the gun. (S04E07)

He puts the gun back in its holster. (S04E07)

In "Provo-Cation" (S04E11), John Shears (Jake McLaughlin) is seen with an unknown S&W pistol when threatening to kill himself.

John draws his pistol. (S04E11)

John holds the gun to his head. (S04E11)

In "The Art of the Steal" (S04E01), a gang of car thieves are seen firing at the marshals with a Intratec TEC-9.

Intratec TEC-9 - 9x19mm

The thieves fire at the marshals. (S04E01)