The Heckler & Koch GMG (Granatmaschinengewehr or "grenade machine gun") is an automatic grenade launcher developed by Heckler & Koch for the German Army. It is also often referred to as GMW (Granatmaschinenwaffe).
GMG fires 40 mm grenades at a rate of about 350 rounds per minute. The GMG is belt-fed, and can be loaded from either side, making it ambidextrous. With a variety of sights available (including night-vision and infrared types) the GMG can be used for accurate, long range bombardments in a large number and types of situations.
The weapon itself is 1.09 m long, the barrel is 415 mm, and the ammunition box has dimensions of 470x160x250 mm. The gun operates on a recoil operated blow back basis. It weighs 29 kg; the tripod is an additional 11 kg.
| GMG | |
|---|---|
| Type | Automatic grenade launcher |
| Place of origin | Germany |
| Service history | |
| Wars | War in Afghanistan (2001–present) |
| Production history | |
| Designed | 1992-1995 |
| Manufacturer | Heckler & Koch |
| Variants | GMW |
| Specifications | |
| Weight | 28.8 kg Gun, 10.7 kg tripod and 8 kg softmount. |
| Length | 1090 mm |
| Barrel length | 415 mm |
| Width | 226 mm (without ammunition box) |
| Height | 208 mm |
| | |
| Cartridge | 40x53 mm |
| Action | Recoil-operated blowback |
| Rate of fire | 350 rounds/min |
| Muzzle velocity | 241 m/s |
| Effective range | 1500 m |
| Maximum range | 2200 m |
| Feed system | 32-round disintegrating, closed-link belt |
| Sights | Reflex sight and back-up leaf sight |
