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Small arms1996–present
Semi-automatic pistol
Heckler & Koch Mark 23 is a semi-automatic pistol originating in Germany. It was built by Heckler & Koch. Reported operators include Indonesia, Malaysia, Poland, United States.
Semi-automatic pistol
Germany
1996–present
See Users
1990s
Heckler & Koch
1991 – July 2010 (Military version only) 1991-present (Civilian version)
Mk 23 MOD 0 (military markets) Mark 23/MARK 23 (civilian and law enforcement markets)
1.2 kg (2.43 lb), empty 1.47 kg (3.2 lb), loaded 2.29 kg (5.0 lb), loaded, with suppressor and LAM
245.11 mm (9.65 in), without suppressor 421 mm (16.5 in), with suppressor
149.10 mm (5.87 in)
39.116 mm (1.54 in)
150 mm (5.9 in)
.45 ACP Can also fire .45 Super using factory parts and no modifications
Short recoil , DA/SA , Modified Browning Action, Linkless. SA pull 4.85 lbs. (2.20 kg) and DA pull 12.13 lbs. (5.50 kg)
Semi-automatic
370 m/s (1200 ft/s )
50 m
Detachable box magazine ; capacities: 10 rounds ( restricted ) 12 rounds ( standard ) 17 rounds ( extended ) 20 rounds ( extended ) 24 rounds ( extended )
Indonesia
Malaysia
Poland
United States
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 29 Sept 2026 | 0.24511 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 0.24511 m | Wikipedia contributors | approved |
| 29 Sept 2026 | 0.24511 m | Wikipedia contributors | superseded |
Heckler & Koch Mark 23 equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.