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The M203 grenade launcher is a single-shot, 40mm grenade launcher that can be attached to many rifles via barrel mounts or underslung rails, but was originally designed for the U.S. M16 family of assault rifles, including the M4 carbine.

Battlefield 2[]

"The M203 is a 40mm under-barrel grenade launcher mounted on the M16A2. It fires single shot explosive grenades capable of doing significant damage to both infantry and soft targets. It is not as effective against armored vehicles. Thanks to its light weight construction the M203 has a limited impact on the accuracy of the gun to which it is attached."

— In-game description

The M203 is a weapon featured in Battlefield 2 as an attachment for the M16A2. It fires a 40mm grenade out of a tube located on the bottom of the barrel of a gun. On impact the grenade creates an explosion that can kill an enemy or destroy a vehicle. It is only used by the USMC Assault class.


Battlefield 2: Modern Combat[]

The M203 is an attachment to both the M4 Carbine and the L85A2 in Battlefield 2: Modern Combat. It shoots a 40mm grenade out of a tube located on the bottom of the barrel of a gun. On impact creates an explosion that can kill an enemy or destroy a vehicle.

Battlefield: Bad Company[]

M203 Grenade Launcher in Battlefield: Bad Company

The M203 is featured in Battlefield: Bad Company and is equipped to the M416 and M16, firing 40mm grenades. They can be effective and deadly in singleplayer, but in multiplayer, they can be difficult to actually achieve a kill with as even a direct hit will only severely damage an enemy.

Grenade launchers are very effective for destroying objects, anything from sheet metal fences to concrete walls, but they are very ineffective against heavily armored vehicles. A player is always required to pull out the leaf sights for the grenade launcher to fire the weapon.

Battlefield Heroes[]

The M203 is an alternate weapon featured in Battlefield Heroes, available exclusively to the Royal Army M16-203 Battle Rifle. It is the counterpart of the National Army GP-30, equipped on the AK74-30 Battle Rifle.

Battlefield: Bad Company 2[]

The M203 is a gadget featured in Battlefield: Bad Company 2.


All assault rifles are equipped with a 40mm grenade launcher, being either the GP-30, M203, GL1 or the XM320.


The M203 acts similarly to the original Battlefield: Bad Company, only that it has an increased damage making it much more effective. It is also unlocked as soon as a player begins playing multiplayer.

Its 40mm Grenades can be replaced with 40mm Smoke or 40mm Shotgun rounds, when unlocked. Its damage and blast radius can be increased by the Improved Demolitions Specialization.

Battlefield: Play4Free[]

BF1 Trash.svg Cut content
The subject of this article, M203, has been cut from the final version of a Battlefield game.

The M203 is a cut attachment featured in Battlefield Play4Free. While it appeared attached to the M16A2 during Closed Beta and Early Open Beta, it didn't have functionality and it only served as a cosmetic item. The M203 was then later removed to prepare for Weapons Customization update.

Battlefield 4[]

The M203 appears in the Battlefield 4: Dragon's Teeth expansion, mounted on the RAWR. Four M203 launchers are mounted, loaded with 40mm 3GL ammunition.


Battlefield 2042[]

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The M203 is an underbarrel attachment featured in Battlefield 2042, exclusively in the Battlefield Portal. It is available on the BC2 M416 and M16A2.

Offering moderate range comparable to the M320 and GP-30, it is capable of being slotted with 40mm HE, 40mm Smoke, and 40mm Buck rounds.


  • In Battlefield: Bad Company 2, the M203 is the only under-barrel grenade launcher that cannot be found in singleplayer.
  • In Battlefield 3, the M203 is seen on certain dogtags for getting kills with the 40mm Grenade Launcher, and the M416 mastery and proficency dog tags.