M203 Grenade Launcher - Data

Data

The following technical data for the M203/M203A1 grenade launcher comes directly from the U.S. ARMY FIELD MANUAL FM 3-22.31 40-MM GRENADE LAUNCHER, M203.

  • a. Weapon.
    • Length:
      • Rifle and grenade launcher (overall)........................99.0 cm (39 inches)
      • Barrel only................................................................30.5 cm (12 inches)
    • Rifling............................................................................25.4 cm (10 inches)
    • Weight:
      • Launcher, unloaded.................................................1.4 kg (3.0 pounds)
      • Launcher, loaded.....................................................1.6 kg (3.5 pounds)
      • Rifle and grenade launcher, both fully loaded......5.0 kg (11.0 pounds)
    • Number of lands............................................................6 right hand twist
  • b. Ammunition.
    • Caliber............................................................................40 mm
    • Weight.............................................................................About 227 grams (8 ounces)
  • c. Operational Characteristics.
    • Action.............................................................................Single shot
    • Sights:
      • Front..........................................................................Leaf sight assembly
      • Rear...........................................................................Quadrant sight
    • Chamber pressure.........................................................206,325 kilopascals (35,000 psi)
    • Muzzle velocity..............................................................76 mps (250 fps)
    • Maximum range.............................................................About 400 meters (1,312 feet)
      • Maximum effective range:
        • Fire-team sized area target................................350 meters (1,148 feet)
        • Vehicle or weapon point target.........................150 meters (492 feet)
    • Minimum safe firing range (HE):
      • Training.....................................................................130 meters (426 feet)
      • Combat......................................................................31 meters (102 feet)
    • Minimum arming range.................................................About 14 to 38 meters (46 to 125 feet)
    • Rate of fire......................................................................5 to 7 rounds per minute
    • Minimum combat load...................................................36 HE rounds

The 40 mm grenades used in the M203 (40 × 46 mm) are not the same as those used by the Mk 19 grenade launcher (40 × 53 mm), which are fired at a higher velocity)

Read more about this topic:  M203 Grenade Launcher

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