Overview[]
The Pistol, Semiautomatic, Caliber .45, MK 23 MOD 0 is a German-American pistol developed in the early/mid 1990s for the United States Special Operations Command, as part of the Offensive Handgun Weapon System program.
Development[]
Phase 3 model with LAM and suppressor
Variants[]
|
| Heckler & Koch Products | ||
|---|---|---|
| Firearms | 
| |
| Military Rifles | 31 • 32 • 33 (A2 • A3 • A4 • EA3 • SG1) • 36 • 50 • 53 • 237 • 241 • 337 • 416 (A5 • A7 • A8 • C) • 417 (A2) • 433 • 437 • G3 (A1 • A2 • A3 • NA3 • A3A1 • A4 • KA4 • A4A1 • KA4A1 • A5 • A6 • A7 • A7A1) • G11 (K1 • K2) • G36 (A1 • A2 • C • C3 • E • K • KE • KV • V) • G41 (A1 • A2 • A3 • K) • GR2 • GR3 (EA2 • K) • MSG90 (A1 • SDN) • PSG1 (A1) • XM8 • XM29 | |
| Civilian Rifles | 91 (A2 • A3) • 93 (A2 • A3) • 94 (A2 • A3) • 243 • 293 • 770 • 940 • MR308 • MR556 (A1) • MR762 (A1) • SL6 • SL7 (Match) • SL8 • USC | |
| Submachine Guns | 54 • MP5 (A1 • A2 • A3 • A4 • A5 • K • KN • KA1 • KA4 • KA5 • MLI • NA2 • NA3 • SD1 • SD2 • SD3 • SD4 • SD5 • SD6 • SDN1 • SDN2 • /10 • /40) • MP7 (A1 • A2) • UMP (9 • 40 • 45) | |
| Machine Guns | 11 (A1 • E) • 12 • 13 (E) • 21 (A1 • E) • 23 (E) • 25 • 121 • 123 • GR6 • GR9 • M27 IAR • MG4 (E • Einbauwaffe • K • KE) • MG5 (A1 • A2 • S) • MG36 | |
| Shotguns | 512 • CAWS • FP6 | |
| Pistols | 4 • HK45 (C • CT • T) • 1911 • Mark 23 • P2 (A1) • P7 • P9 • P11 • P30 (L • SD • SK • SKS) • P46 • P2000 (SK) • SFP (9 • 9L • 9LOR • 9M • 9MOR • 9OR • 9SK • 40) • UCP • USP (9 • 9 Custom Sport • 9 Elite • 9 Expert • 40 • 40 Custom Sport • 40 Expert • 45 • 45 Custom Sport • 45 Elite • 45 Expert • 45T) • VP (9 • 40 • 45) | |
| Grenade Launchers | 69 (A1) • 79 • 169 • 269 • AG36 • GMG • M320 • XM25 • XM29 | |
| Ammunition | ||
| Cartridges | 4.6x30mm HK • 4.6x36mm HK | |
 West GermanyWeapons Modern Period (1991 — Present) |
|---|
| Infantry Weapons | ||
|---|---|---|
| Melee Weapons | Bayonet | [[]] |
| Survival Weapon | [[]] | |
| Sidearms | Pistol | HK 45 (Compact • Compact Tactical • Tactical) • Mark 23 • P 8 • P 30 (L • SD • SK • SK S) • P 46 • P 80 • P 2000 • SFP (9 • 9 L • 9 L OR • 9 M • 9 Match OR • 9 OR • 9 SK • 40) • UCP • USP (9 • 9 Custom Sport • 9 Elite • 9 Expert • 40 • 40 Custom Sport • 40 Expert • 45 • 45 Custom Sport • 45 Elite • 45 Expert • 45 Tactical) |
| Revolver | [[]] | |
| Machine Pistol | [[]] | |
| Close Quarters | Personal Defense Weapon | MP7 (A1 • A2) |
| Submachine Gun | HK PDW • MP 5 (A1 • A2 • A3 • A4 • A5) • MP 60 • MP 61 • MP 64 • UMP (9 • 40 • 45) • USC | |
| Shotgun (automatic) | [[]] | |
| Shotgun (semi-automatic) | [[]] | |
| Shotgun (manual-action) | HK FP6 | |
| Primary Weapons | Assault Rifle (5.45/5.56) | CR223 • HK 50 • HK 237 • HK 337 • HK 416 (A5 • A7 • A8) • HK 433 • HK 437 • G36 (A1 • A2) • XM8 • XM29 |
| Assault Rifle (other) | [[]] | |
| Assault Carbine (5.45/5.56) | HK 416C | |
| Assault Carbine (other) | [[]] | |
| Battle Rifles | HK 417 • G 3 (A1 • A2 • A3 • N A3 • A4 • A5 • A6 • A7 • A7 A1) • G 28 | |
| Battle Carbine | [[]] | |
| Automatic Support Weapons | Light Support Weapon | [[]] |
| Light Machine Gun | HK GR6 (C • S) • HK GR9 (C • S) • HK MG 36 | |
| General Purpose Machine Gun | HK 121 • HK 123 • MG 3 (A1) • MG 4 • MG 5 (A1) | |
| Heavy Machine Gun | [[]] | |
| Long Range | Anti-Materiel Rifle | [[]] |
| Bolt-Action Rifle | [[]] | |
| Designated Marksman Rifle | [[]] | |
| Launchers | Grenade Launcher (Attachment) | [[]] |
| Grenade Launcher (Standalone) | XM25 | |
| Disposable Rocket Launcher | [[]] | |
| Rocket Launcher | [[]] | |
| MANPADS | [[]] | |
| Non-Lethal Weapons | Pistol | [[]] |
| Underwater Weapons | Sidearm | P11 |
| Rifle | [[]] | |
| Explosives | Anti-Personnel Mines | [[]] |
| Anti-Tank Mines | [[]] | |
| Offensive Grenades | [[]] | |
| Smoke Grenades | [[]] | |
| Infantry Equipment | ||
|---|---|---|
| Clothing | Backpacks | [[]] |
| Body Armour | [[]] | |
| Bomb Suit | [[]] | |
| Elbow and knee pads | [[]] | |
| Signals & IFF | [[]] | |
| Suits | [[]] | |
| Vests & Webbing | [[]] | |
| Headwear | Communication | [[]] |
| Gas Masks & Rebreathers | [[]] | |
| Goggles | [[]] | |
| Helmets | [[]] | |
| Vehicle Headwear | [[]] | |
| Optics, Detection and Surveillance | Man-Portable Radar | [[]] |
| Mine Detectors | [[]] | |
| Night Vision Goggles | [[]] | |
| Periscopes | [[]] | |
| Rangefinders | [[]] | |
| Surveillance | [[]] | |
| Artillery | |
|---|---|
| Anti-Aircraft Guns | [[]] |
| Anti-Tank Guns | [[]] |
| Anti-Tank Guided Missile Launchers | [[]] |
| Anti-Tank Guided Missiles | [[]] |
| Grenade Machine Guns | [[]] |
| Howitzers | [[]] |
| Mortars | [[]] |
| Railroad Artillery | [[]] |
| Recoilless Guns | [[]] |
| Rocket Artillery | [[]] |
| Siege Artillery | [[]] |
| Land Vehicle Weapons | |
|---|---|
| Vehicle Machine Guns | HK MG 5A1 |
| 40mm Tank Guns | [[]] |
| 75mm Tank Guns | [[]] |
| 76.2mm Tank Guns | [[]] |
| 84mm Tank Guns | [[]] |
| 94mm Tank Guns | [[]] |
| 105mm Tank Guns | [[]] |
| 120mm Tank Guns | [[]] |
| Howitzers | [[]] |
| Vehicle Autocannon | [[]] |
| ATGMs | [[]] |
| Aircraft Weapons & Munitions | |
|---|---|
| 7.62mm Machine Guns | [[]] |
| 12.7mm Machine Guns | [[]] |
| 23mm Cannons | [[]] |
| 30mm Cannons | [[]] |
| 37mm Cannons | [[]] |
| Rocket Pods | [[]] |
| Rockets | [[]] |
| Air-to-Air Missiles | [[]] |
| Air-to-Ship Missiles | [[]] |
| Air-to-Surface Missiles | [[]] |
| Anti-Radiation Missiles | [[]] |
| Cruise Missiles | [[]] |
| Bombs | [[]] |
| Sources | ||
|---|---|---|
| Books | Online | Documents |
| • SA Defense Journal — MK 23 MOD 0; The Crew-Served Pistol. Christopher R. Bartocci (extract) | • HK — Mark 23 — Exploded View. V001.1213 (undated) • HK — Mark 23 — Operator's Manual, 1996 • HK — Mark 23 — Instruction Manual. 2007-03 • HK — Mark 23 — Operator's Manual. 2016-10 • HK — Mark 23 — Operator's Manual. V001.0318 (undated) • SW 070-BD-OPI-010 1996-10 • SW 070-BD-OPI-010 1997-05 | |