STK 40 AGL

The STK 40 AGL, formerly the CIS 40 AGL^[a] is a 40 mm automatic grenade launcher, developed in the late 1980s and produced by the Singaporean defence firm Chartered Industries of Singapore (CIS, now ST Kinetics). The launcher is employed primarily by the Singapore Armed Forces and the police and security forces of several other countries.^[1]

STK 40 AGL
Type	Automatic grenade launcher
Place of origin	Singapore
Service history
In service	1991–present
Used by	See Users
Wars	Anti-guerrilla operations in the Philippines
Production history
Designer	Chartered Industries of Singapore
Designed	1986-1989
Manufacturer	Chartered Industries of Singapore (now ST Kinetics)
Produced	1991–present
Specifications
Mass	33 kg (72.75 lb)
Length	966 mm (38.0 in) with stock
Barrel length	350 mm (13.8 in)
Width	376 mm (14.8 in)
Cartridge	40x53mm grenade
Action	Blowback operation
Rate of fire	350-500 rounds/min
Muzzle velocity	242 m/s (794 ft/s)
Maximum firing range	2,200 m (7,217.8 ft)
Feed system	Linked belt
Sights	Folding leaf sight

Light Strike Vehicle MK. II with a STK 40 AGL mounted

History

On 19 June 2000, STK announced the release of an upgrade kit, known as the 40mm Automatic Grenade Launcher Air-Bursting System (40mm AGL-ABS).^[2] Upgrades consist of the electronic fire control system, the gun computer, the muzzle programming coil as well as the optical sighting system.^[2]

On 13 December 2010, the Kuwait Defense Ministry released a statement that the CIS 40 AGL was offered for the Kuwaiti military.^[3]

Design

The STK 40 AGL can be mounted on a M3 tripod, a light weight tripod, a lock/fire mount, softmount, ringmount or on a RWS.^[4]

The STK 40 AGL has a Mark II variant, which includes weight reduction of almost 6 kg; a barrel removal system; improved handling, performance, aesthetics and ergonomics.^[5] The components, when disassembled, consist of the operating group, barrel, receiver group, top cover group, trigger group.^[5]

Users

• Bangladesh: STK 40 AGL Mk 2 used by Bangladesh Army.^[6]
• Chile^[7]
• Cyprus^[8]
• Georgia: Used on Nurol Ejder and Otokar Cobra AFVs^[9]
• Indonesia: Made under license by PT Pindad for the Indonesian military as Pindad SPG-3 in 1994.^[10]
• Italy^[7]
• Mexico^[7]
• Morocco^[7]
• Nigeria^[7]
• Papua New Guinea: Used by the Royal Papua New Guinea Constabulary.^[11]
• Peru^[7]
• Philippines: Philippine Army, Philippine Marine Corps^[7]
• Singapore: Used as a main armament on the Bionix 40/50 IFVs.^[12][13]
• Sri Lanka^[7]
• Thailand^[7]
• Uruguay^[7]

See also

• List of grenade launchers

Notes

1. Using the Wayback machine on this CIS 40 AGL page indicates that the CIS 40 AGL name was used until early 2017, when it changed to the STK 40 AGL name as seen here.