Mk 19 grenade launcher

The Mk 19 grenade launcher (pronounced Mark 19) is an American 40 mm belt-fed automatic grenade launcher that was first developed during the Vietnam War.

Mk 19
A Mk 19 40 mm grenade launcher mounted on an M3 tripod
TypeAutomatic grenade launcher
Place of originUnited States
Service history
In service1968–present
Used bySee Users
Wars
Production history
DesignerNaval Ordnance Station Louisville
Designed1966
ManufacturerSaco Defense Industries (now a division of General Dynamics Ordnance and Tactical Systems), Combined Service Forces, MKEK
Unit cost$20,000
Produced1968–present
VariantsMk 19 Mod 0, Mk 19 Mod 1, Mk 19 Mod 2, Mk 19 Mod 3, Mk 19 Mod 4
Specifications
Mass77.6 pounds (35.2 kg) (empty, without accessories)
Length43.1 inches (1,090 mm)
Barrel length16.25 inches (413 mm)
Width9.46 inches (240.4 mm)
Height7.8 inches (199 mm)

Cartridge40×53 mm
ActionAPI Blowback
Rate of fire
  • 325-375rpm (cyclic)
  • 40 rpm (sustained)
  • 60 rpm (rapid)
Muzzle velocity750–790 feet per second (230–240 m/s) (average)
Effective firing range1,500 m (1,600 yd)
Maximum firing range2,212 m (2,419 yd)
Feed system32- or 48-grenade belt
SightsIron
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