From OCAU Wiki
The practice of using a Grenade-Launcher weapon in close-quarters combat. This is especially rife in Battlefield 2 (BF2), to the point where it has become a divisive issue within the BF2 gaming community.
The grenade launchers available are:
- M203 (as an attachment to the M16A2)
- GP-25 (attached to the AK-47)
- GP-30 (attached to the AK-101)
- F2000GL (attached to the F2000)