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.[1] 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
TypeGrenade launcher
Place of originSwitzerland
Service history
In service1997–present
Used bySee Users
Production history
DesignerSIG
ManufacturerSwiss Arms
VariantsGL 5140, GL 5340, GLG 40
Specifications
Mass1.7 kg (3.75 lb) (GL 5040/GL 5140)
2.5 kg (5.5 lb) (GLG 40)
Length432 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 length305 mm (12.0 in)

Cartridge40x46mm
ActionBreech-loaded, single-shot
Muzzle velocity75 m/s (246 ft/s)
Effective firing range200 m (220 yd)
Feed systemManually loaded
SightsFolding leaf sight

Users

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References

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