M203 - Grenade Launcher

The 40mm Grenade Launcher , M-203A1, is used by the Canadian Forces to provide a direct fire anti-personnel suppression capability in the 30 to 350 metre range. This close combat range is outside the range of hand thrown grenades but for safety reasons, too close for artillery and mortar fire.

 

The M-203A1 is a pump action, hand loaded, single shot grenade launcher that attaches to and fires from the C7/C7A1 rifle. It fires various types of 40 x 46 mm Low Velocity Grenades. The barrel is manually cycled to load, cock and lock the action, and extract and eject the cartridge. The rifle magazine is used as a pistol grip when firing. The grenade launcher has an integral sight that can be mounted on the left or right side of the launcher.


IDENTIFICATION

Manufacturer

Diemaco

Model

M-203A1

Manufacturer’s Identification Number

10849C-1

TECHNICAL SPECIFICATIONS


Physical Data

Length

318 mm (12.51 inches)

Weight Unloaded

1.85 Kg (4.07 pounds)

(Weight of Grenade Launcher only – unloaded)

Weight Loaded

6.81 Kg (15.0 pounds)

(Weight of loaded Grenade Launcher, mounted to C7A1 rifle with full magazine, sling, and optical sight)

Operation data

System of Operation

Pump action, hand loaded, single shot

Safety features

Applied Trigger Blocking Safety Safety Sear

Firing mechanism

Single Action

Trigger Pull Minimum

2.72 Kg (6 pounds)

Barrel data

Length

228.6 mm (9 inches)

Caliber

40 mm

Bore

Rifled, 6 lands, Right Hand Twist, 1 turn in 1219 mm (48 inches)

Sighting Data

Front Sight

Post front sight – adjustable in elevation – 1 click = 1 mil

Rear Sight

Flip-up leaf type – range scale 100 to 350 at 50 m increments

Adjustable in azimuth – 1 click = 1 mil

Sight Radius

81 mm (3.2 inches)

Ammunition Data

Type of Ammunition

40 mm x 46 mm Low Velocity grenades as per Draft STANAG No. 4402

 

 

Support The Regiment
Join The RMR today
or
learn more about who we are and what we do!

The RMR's Newsletter

The Intercom