Office, The (US)
The following weapons were used in the US version of The Office:
Dwight uses a Colt Anaconda to start a race in Season 4's "Fun Run" (S04E01).
Beretta 92G Elite 1A
In Season 7's "Threat Level Midnight" (S7E16), Michael Scott (Steve Carrell) screens his long-awaited spy film Threat Level Midnight, which stars himself as well as several of his co-workers and features numerous firearms. In his role as Michael Scarn, Michael Scott (Steve Carrell) is seen firing dual Beretta 92G Elite 1A handguns when he is confronted by an assassin disguised as a delivery worker. He apparently was able to find blank-firing models because the guns are clearly seen cycling blanks.
Jericho 941 R
New England Firearms Model B22
In Season 7's "Threat Level Midnight" (S7E16), Goldenface is also seen holding what appears to be gold-painted replica of a SIG-Sauer P226 while exchanging gunfire with Michael Scarn during a speed skating meet.
Heckler & Koch MP5K-PDW
In Season 7's "Threat Level Midnight" (S7E16), Darryl Philbin (Craig Robinson) in his role as the President of the United States as well as Goldenface are seen holding replica versions of the Heckler & Koch MP5K-PDW.
Smith & Wesson Model 19
Remington Model 1875
In Season 7's "Dwight K. Schrute, (Acting) Manager", Dwight (Rainn Wilson) is seen displaying what appears to be a Remington 1875 revolver, but identifies it as a Beaumont-Adams Revolver. He then is seen carrying it in a holster and negligently discharging it in the office, bursting the eardrum of a co-worker. The Beaumont-Adams revolver was a British service revolver from the late 19th century and looks very different from the Remington.