SIG GL 5040

The SIG GL 5040/5140 is a 40 mm grenade launcher, which can be mounted under all SIG SG 550/551 assault rifle models and is operated in single-shot mode. For compact SG 552/553, the smaller GL 5340 grenade launcher can be used.

GLG 5040
SIG GL 5040 mounted under a SIG SG 550
Type	Grenade launcher
Place of origin	Switzerland
Service history
In service	1997–present
Used by	See Users
Production history
Designer	SIG
Manufacturer	Swiss Arms
Variants	GL 5140, GL 5340, GLG 40
Specifications
Mass	1.7 kg (3.75 lb) (GL 5040/GL 5140) 2.5 kg (5.5 lb) (GLG 40)
Length	432 mm (17.0 in) (GL 5040, GL 5140) 710 mm (28.0 in) stock extended / 480 mm (18.9 in) stock folded (GLG 40)
Barrel length	305 mm (12.0 in)
Cartridge	40x46mm
Action	Breech-loaded, single-shot
Muzzle velocity	75 m/s (246 ft/s)
Effective firing range	200 m (220 yd)
Feed system	Manually loaded
Sights	Folding leaf sight

Users

• Switzerland: The Swiss military in-service designation for the GL 5040 is 40 mm Gewehraufsatz 97.
• Malaysia: Used by Malaysian Coast Guard.

External links

• 40 mm Grenade Launcher GL 5040 and GL 5140 at Swiss Arms company website
• Swiss Arms GL 5040/5140 40 mm grenade launcher (Switzerland), Weapon accessories at Jane's
• Swiss Arms Law Enforcement and Defense Products Catalog