Shortened Dutch Madsen (Karabijnmitrailleur) — Captured on Java
Historical Background and Scale of Captured Weapons
During the Dutch East Indies campaign in the spring of 1942, the Imperial Japanese Army captured the arsenals of the Royal Netherlands East Indies Army (KNIL). Among other wealth, the Japanese acquired specific models of small arms that were perfectly suited for jungle warfare.

According to the Japanese army report 第3編 「ジャバ」島に於ける調査事項 (Part 3: Survey Items on “Java” Island) (JACAR Archive, code C14110703700), the following was captured on the island of Java alone:
| Item Name | Total Quantity Confiscated | Condition: Good (Highest) | Condition: Average | Condition: Poor (Lowest) |
|---|---|---|---|---|
| Military swords (sabers) | 40,552 | 7,273 | 10,671 | 22,608 |
| Bayonets | 27,265 | 9,839 | 13,655 | 3,771 |
| Rifles | 37,581 | 14,184 | 6,716 | 16,681 |
| Carbines | 21,864 | 7,961 | 3,829 | 9,874 |
| Automatic rifles | 1,620 | 613 | 729 | 278 |
| Pistols | 14,120 | 5,849 | 3,922 | 4,349 |
| Submachine guns | 4,649 | 1,551 | 98 | 2,994 |
| Hunting shotguns | 2,452 | 1,301 | — | 1,151 |
| Light machine guns | 1,081 | 858 | 101 | 122 |
| Heavy machine guns | 2,788 | 2,037 | 657 | 94 |
| 13.2mm automatic cannons | 15 | 14 | — | 1 |
The document separately records the capture of 430 functional 6.5mm Madsen light machine guns. At the same time, impressive stockpiles of captured ammunition of the same caliber guaranteed uninterrupted supply and allowed the weapon to be actively used in combat.
What is a Karabijnmitrailleur?
The Dutch colonial Madsen differed from the standard long-barreled machine gun. The KNIL required a weapon for mobile infantry assault groups, capable of overcoming the “last 300 meters” of an attack in harsh jungle conditions.
Initially, cavalry Madsen M.15s were purchased in 1915. However, in 1926–1927, the Dutch radically modernized them at the arsenals in the city of Bandung. The weapon received the official designation “Carbine-Machine Gun” (Karabijnmitrailleur) .
Its main differences:
- The barrel was drastically shortened by 25 cm (down to 350 mm).
- The overall weight was reduced by 2 kg .
- The weapon was equipped with double-length telescopic bipods.

Specifications
| Specification | Value |
|---|---|
| Caliber | 6.5 x 53 mm R Mannlicher |
| Weight with ammo | approx. 9 kg |
| Length | 895 mm |
| Barrel length | 350 mm |
| Feed system | 24-round detachable box magazine |
| Rate of fire | 450 rounds per minute |
Note: Due to the low weight and compactness of this machine gun, its sprint speed could be increased for game balance purposes — for example, to the level of the Japanese Type 96.
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Sources
Sources
JACAR: 第3編 「ジャバ」島に於ける調査事項 (C14110703700).
Book: Nederlandse Vuurwapens 1897-1942 Knil en Militaire Luchtvaart .
Book: Royal Netherlands East Indies Army 1936–42 .




