Try Hard Defending Flags Class, for HardCore Domination:
Primary Weapon: Honey Badger
Attachments: Under-Barrel Grenade Launcher, Armor Piercing
Secondary Weapon: Kastet
Attachments: None (Obvs)
Lethals: (Slot Replaced by Under Barrel Grenade Launcher)
Tacticals: ThermoBaric
Perks: Sleight of Hand, Reflex, Danger Close, Gambler?
Support Strike Package: Ballistic Vests, Night Owl, Support Squadmate
It's Cheap, But Sometimes it's the Only Way to Defend Flags on HardCore Domination.