Technical Specifications

Type	Light machine gun, Squad automatic weapon
Country of origin	Singapore
Manufacturer	* CIS: 1982–2000 * ST Kinetics: 2000–present
Designer	L. James Sullivan for Chartered Industries of Singapore (CIS, now ST Kinetics)
Designed	1978
Produced	1982–present
In service	1982–present
Wars	Sri Lankan Civil War · Bougainville conflict · Yugoslav Wars · Anti-guerrilla operations in Indonesia & the Philippines · 2006 Fijian coup d'état · Solomon Islands coup · War in Afghanistan
Used by	See Users
No. built	~80,000
Variants	See variants
Weight	* Mark 2: 4.75 kg * Mark 3: 4.90 kg * 6.8 kg (15 lb) when loaded 100 rounds
Length	* Mark 2: 1030 mm with buttstock, 800 mm w/o buttstock * Mark 3: 1024 mm with buttstock, 810 mm w/o buttstock
Barrel length	* Standard: 508 mm * Ultimax 100 para: 330 mm
Caliber	5.56 mm
Cartridge	5.56×45mm NATO
Barrel	Single barrel (progressive RH parabolic twist, 6 grooves)
Action	Gas-operated, rotating bolt
Feed	100-round drum magazine or 30-round STANAG M16 box magazine · Mark 9: belt-fed or STANAG magazine
Muzzle velocity	970 m/s (M193 cartridge) · 945 m/s (SS109/M855 cartridge)
Rate of fire	400–600 rounds/min
Range	100–1,200 m sight adjustments
Maximum range	460 m (M193 cartridge) · 1,300 m (SS109/M855 cartridge)

Data from Ultimax 100 (Wikipedia, 2026-09-22). Text licensed under CC BY-SA. Image: CC BY-SA 4.0 — Dracardo.

Compatible Calibers (0)

No caliber data available for this firearm.

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