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Heckler & Koch Mark 23

From Internet Movie Firearms Database - Guns in Movies, TV and Video Games
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The Heckler & Koch Mark 23 is a semi-automatic large-frame pistol chambered in .45 ACP. It was developed for the Offensive Handgun Weapon System (OHWS) project in 1989 to standardize a pistol for the United States Special Operations Command (USSOCOM) while fitting the needs of the SOCOM. The OHWS was to be a system made of a pistol, a sound suppressor and a LAM (Laser Aiming Module), and the pistol was to be designed more as a primary weapon than as a backup, using the high-powered .45 ACP round. In August 1991, H&K and Colt were awarded with contracts for the development of the OHWS pistol.

The development involved three stages: Phase I had the manufacturers provide 30 prototype pistols, sound suppressors, and LAMs. Colt was eliminated at this phase. Phase II involved physical testing and delivery of 30 additional pistols with suppressors. Phase III involved a production contract of 1,950 OHWS systems, now classified as the MK 23 Mod 0. H&K based their design on their then-in-development USP design (which would itself be introduced to the world during the development of the Mk 23, in 1993), and the pistols were delivered in 1996. The LAM and the suppressor were developed by Insight Technology and Knight's Armament Company respectively.

While the MK23 Mod 0 designation usually applies to the whole system, it is also commonly used to refer to the pistol component alone. The pistol was also sold to the civilian market, designated the Mark 23.

Heckler & Koch Mark 23 - .45 ACP. Note the "Mark 23" marking.
Heckler & Koch Mark 23 with Knight's Armament suppressor - .45 ACP
Heckler & Koch Mark 23 with desert tan frame - .45 ACP. Screen-used weapon from I Am Legend. (photo from Weapons Specialists, Ltd)
Airsoft Heckler & Koch Mk 23 Mod 0 Phase II Prototype (note front grip grooves, deleted from production models) with Tokyo Marui replica of a Knight's Armament suppressor and prototype Laser Aiming Module - (fake) .45 ACP
Heckler & Koch Mk 23 Mod 0 - .45 ACP. This is the whole system with the KAC suppressor and the Insight Technology LAM. Note the "MK23 USSOCOM Cal .45" marking.


(1996 - Present)

  • Type: Semi-Automatic Pistol
  • Caliber: .45 ACP
  • Weight: 2.7 lb (1.2 kg)
  • Length: 9.7 in (245 mm)
  • Barrel length: 5.9 in (150 mm)
  • Capacity: 12
  • Fire Modes: Semi-Auto (DA/SA)

The Heckler & Koch Mark 23 pistol appears in the following movies, video games, and anime used by the following actors:


Title Actor Character Note Date
Soldier Kurt Russell Sergeant Todd More than likely the very first mainstream appearance of the Mark 23 1998
Yamakasi Special Forces 2001
Don't Die Too Hard! Serge Riaboukine Michel Vignault Suppressed 2001
Blade II Daz Crawford Lighthammer 2002
Dead Weight Seen in the third Malian Brother's (Omar Sy) cache of firearms 2002
Undercover Brother Tig Fong Enforcer Possibly airsoft 2002
Yesterday Min-soo Choi "Goliath" 2002
Various Goliath's Men
The Red Siren Vernon Dobtcheff Vitali 2002
Tears of the Sun Bruce Willis Lt. A.K. Waters Both Suppressed and unsuppressed 2003
Cole Hauser James 'Red' Atkins
Johnny Messner Kelly Lake
Eamonn Walker Ellis 'Zee' Pettigrew
Nick Chinlund Michael 'Slo' Slowenski
Chad Smith Jason 'Flea' Mabrey
District B13 Tony D'Amario K2 2004
Dany Verissimo Lola
Alain Rimoux Police Commissioner
Today You Die Jamie McShane Vincent 2005
Four Brothers Mark Wahlberg Bobby Mercer 2005
I Am Legend Will Smith Dr. Robert Neville FDE Frame 2007
Wanted Assassin 2008
Hancock Criminal 2008
In Bruges on table 2008
Terminator Salvation Christian Bale John Connor 2009
Game of Death Wesley Snipes CIA Agent Marcus cover only, fake 2010
Kick-Ass Seen in Damon Macready/Big Daddy's Armory 2010
From Paris with Love John Travolta Charlie Wax Suppressed 2010
Tactical Force Michael Shanks Demetrius 2011
Maximum Conviction Steve Austin Manning 2012
Looper Joseph Gordon-Levitt Joe 2012
Bruce Willis Old Joe
Noah Segan Kid Blue deleted scene
Dikran Tulaine Canady deleted scene
The Package Hitman Suppressed 2013
Dolph Lundgren "The German"
Sicario Benicio del Toro Alejandro Gillick Suppressed 2015
Deadpool Ryan Reynolds Wade Wilson/Deadpool airsoft replica 2016
John Wick: Chapter 2 Seen in the the Sommelier's Armory 2017
Ready Player One Win Morisaki Toshiro Suppressed 2018
Tokyo Living Dead Idol Sana Hoshimori Kisaragi 2018
Fast & Furious Presents: Hobbs & Shaw Brixton's Operative Suppressed with LAM 2019
Dwayne Johnson Luke Hobbs
Jason Statham Deckard Shaw


Show Title Actor Character Note / Episode Air Date
The X-Files Jeremy Roberts George Vincent "Agua Mala" (S6E13) 1999
Valente Rodriguez Walter Suarez
RoboCop: Dark Justice Maurice Dean Wint Commander John Cable Dual-Wielded 2001
Battlestar Galactica Michael Trucco Samuel Anders "Resistance" (S2E04), Phase II LAM 2004-2009
Law & Order: Criminal Intent Peter Scanavino Johnny Feist "Diamond Dogs" (S5E02) 2005
Eureka Seen on the wall Suppressor and LAM fitted; "Before I Forget" (S1E03) 2006
E-Ring Kerr Smith Cpt. Bobby Wilkerson Suppressed; "Friends and Enemies" (S1E18) 2006
Supernatural Sterling K. Brown Gordon Walker "Hunted" (S2E10) 2007-2017
Jensen Ackles Dean Winchester "The End" (S5E04)
Jared Padalecki Sam Winchester Season 6, Season 7, Season 12
Jesse Hutch Crewcut "Devil May Care" (S09E02)
Burn Notice Jeffrey Johnson Kent Fontenau "Loose Ends, Part I" (S1E11) 2007-2012
Jeffrey Donovan Michael Westen
Seen in the Gun Engineer's Collection "End Run" (S3E03)
Kenny Johnson Tyler Gray FDE Frame; "Means & Ends" (S6E12)
John C. McGinley Tom Card
Painkiller Jane Sean O. Roberts Riley Jensen "Pilot" (S1E1) 2007
US Army MP "Toy Soldiers" (S1E2)
XIII: The Conspiracy Stephen Dorff Steve Rowland/Russ Tanner Possibly; Second Part 2008
Human Target - Season 1 Mike Desabrais Assassin Suppressed; "Pilot" (S1E01) 2010
Breaking Bad - Season 3 Jonathan Banks Michael Ehrmantraut Suppressed; "Full Measure" (S3E13) 2010
Breaking Bad - Season 4 Jonathan Banks Michael Ehrmantraut "Bullet Points" (S4E04) 2011
Bullet in the Face Max Williams Gunter Vogler (S1E01) 2012
Banshee Hoon Lee Job Stainless; (S1E10) 2013
The Blacklist Seen in the Courier's Stash Rail Adapter 2013
Elementary Andrew Howard Devon Gaspar Suppressed and Unsuppressed; "The Diabolical Kind" (S2E12) 2014
The Walking Dead Andrew Lincoln Rick Grimes Suppressed; "Four Walls and a Roof" (S5E04), "Crossed" (S5E07) 2014
American Odyssey Adewale Akinnuoye-Agbaje Frank Majors 2015
Gunman "FIGMO" (S1E09)
Lucifer Gunman Fake Suppressor 2013
Altered Carbon Byron Mann "OG Kovacs" Modified with Large Sight Mount 2018
Olga Fonda Sarah
Teach Grant Jimmy DeSoto
Batwoman Seen in the Wayne Enterprise's Armory 2019
The Boys Laz Alonso Mother's Milk 2022

Video Games

Game Title Appears as Mods Notation Release Date
Time Crisis II "Special Handgun for VSSE Agents" with LAM unit, two-tone Phase II prototype. Holds only 9 rounds 1997
Rainbow Six "HK MARK23" with optional suppressor in-game model is the USP40 1998
Metal Gear Solid "SOCOM" w/suppressor & LAM unit Phase II prototype 1998
Rainbow Six: Rogue Spear HK MARK23 with optional suppressor in-game model is the USP40 1999
Delta Force: Land Warrior ".45 SOC" / ".45 SOC SD" w/ LAM & optional suppressor 2000
Time Crisis II "Special Handgun for VSSE Agents" with LAM unit, two-tone Holds only 9 rounds 2001
Metal Gear Solid 2: Sons of Liberty "SOCOM" w/ LAM unit & suppressor Phase II prototype 2001
Delta Force: Task Force Dagger "MK23" / "MK23 SD" w/ LAM & optional suppressor 2002
Soldier of Fortune II: Double Helix "US SOCOM" w/ optional laser, suppressor, or light 2002
Splinter Cell used by hostile NPCs 2002
Tomb Raider: The Angel of Darkness not usable 2003
Time Crisis 3 Appears as icon representing Smith & Wesson SW99, not usable ingame 2003
Project IGI 2: Covert Strike "SOCOM" w/ Knight's Armament Suppresor & AN/PEQ-6 laser sight 2003
Söldner: Secret Wars 2004
Aliens vs. Predator 2 "M-4A4 Pistol" w/ weaponlight and olive drab finish, sans threaded barrel 2004
Ghost Squad "P4512" 2004
Metal Gear Solid: The Twin Snakes "SOCOM" w/suppressor & LAM unit Phase II prototype, not final version 2004
Joint Operations: Typhoon Rising w/ LAM unit 2004
Splinter Cell Chaos Theory 2005
Chameleon 2005
Conflict: Global Terror 2005
Time Crisis IV "Handgun" with weapon light Holds 16 rounds 2006
Rainbow Six: Vegas "MK.23" w/ optional laser sight and suppressor Phase II prototype 2006
Alliance of Valiant Arms "MK23 SOCOM" With AN/PEQ-6 LAM and removable silencer 2007
Cross Fire "MK23" w/prototype Laser Aiming Module 2007
Rainbow Six: Vegas 2 "MK.23" w/ optional laser sight and suppressor Phase II prototype 2008
Dark Sector "Tekna 9mm" with laser aiming module "Mark 24" engraved on the slide 2008
"Tekna Burst" fictional burst-firing version with extended mag and laser module
Metal Gear Solid 4: Guns of the Patriots "Mark 23 Mod 0" w/ suppressor & LAM unit Phase II prototype 2008
Terrorist Takedown 2: US Navy Seals "Mk.23 SOCOM" 2008
Killing Floor "MK23" added with update in 2012 2009
Assassin's Creed: Brotherhood Holstered model from Metal Gear Solid 4 2010
Delta Force: Xtreme 2 2010
Splinter Cell: Conviction "MK23" w/ optional laser sight and/or suppressor Phase I prototype 2010
SOCOM: US Navy SEALs Fireteam Bravo 3 "Mk.23 Mod 0" w/ optional laser sight and/or suppressor 2010
Sniper: Ghost Warrior 2010
Jagged Alliance: Back in Action "USP .45" holds only 7 rounds 2011
Assassin's Creed III w/ extended magazine 2012
Metal Gear Rising: Revengeance Holstered model from Metal Gear Solid 4, seen on classic and prologue Raiden 2013
Hot Dogs, Horseshoes & Hand Grenades 2016
Sniper: Ghost Warrior 3 "SP M23" 2017
Gun Club VR Mk.23 2018
Sniper: Ghost Warrior Contracts "ROTWEIL M23" 2019
Trepang2 "Pistol" Optional Knight's Armament suppressor, Heckler & Koch USP Match-style barrel weight, Insight Technology prototype laser, fictional burst and full-auto trigger groups 2023


Title Character Note Date
Cowboy Bebop ISSP bodyguards Episode "Pierrot Le Fou", fitted with Wilcox Laser Aiming Modules 1998 - 1999
Full Metal Panic! U.S. Navy Admiral 2002 -2005
Planetes Police Futuristic variant with integrated compensator, torch and laser. 2003-2004
Phantom: Requiem for the Phantom Ein Fitted with suppressor and LAM 2009
Cat Planet Cuties Fitted with suppressor and LAM 2010
Aria the Scarlet Ammo Ryou Shiranui 2011
Jormungand Lehmbrick aka Lehm Fitted with suppressor at times 2012
Jormungand: Perfect Order Lehmbrick aka Lehm Fitted with suppressor at times 2012

See Also

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