Mode a game file .bundle

Hi I got a mod file for Ghost recon Advanced war fighter 2 and need to make some modification to the mod file. I need to enable the grenades in it and disable the grenade launcher ? Also I need you to tell me how to enables them and disable them. here? is the file i need to do <http://download376.mediafire.com/8ycyd2mym0ug/twmnjkgi3im/No+[login to view URL]>? Thanks i will be on the chat.