Subscribe to my content: Written Guide and More Information: Best Gun: All guides: Website: Facebook: Twitter: Feed: Email: AULuftwaffles@hotmail.combr FAQ: Get Your Channel Partnered with Maker Studios here: br Written guide:br You can gain more perks in Call of Duty: Ghosts by choosing not to use some slots. Each of the primary weapon, secondary weapon, lethal and tactical slots gets you one extra perk point. Note that not choosing a point streak will not gain you extra perk slots.