| GLG 5040 | |
|---|---|
 Swiss Army SG 550 with GL 5040 grenade launcher and folding leaf sight up. | |
| 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 |
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.
