M203/M203A1 Grenade Launcher

M203 Grenade Launcher line art
Additional Media  
M203 Grenade Launcher being fired by a Soldier M203 Grenade Launcher shell loading close up view A few Soldiers using M203 Grenade Launcher's

Mission

Deter and, if necessary, repel adversaries by enabling individuals and small units to engage targets with accurate, lethal, grenade fire.

Entered Army Service

Early 1970s

Description and Specifications

The M203 grenade launcher is a single-shot weapon designed for use with the M16 series rifle and fires a 40mm grenade. The M203A1 grenade launcher is a single-shot weapon designed for use with the M4 series carbine and also fires a 40mm grenade. Both have a leaf sight and quadrant site. The M203 is also being used as the delivery system for a growing array of less-than-lethal munitions.

  • Weight:   3 lbs (empty); 3.6 lbs (loaded)
  • Overall Length:   15"
  • Barrel Length:   12"
  • Ammunition Type:   CN/CS/OC tear gas rounds, smoke, non-lethal projectiles, signal and practice rounds as well as standard 40mm rounds
  • Effective Range:   Approximately 350 yards

Manufacturer

Colt Manufacturing