For a Roblox FRONTLINES script—given how much that game tries to mimic the "weight" and realism of Call of Duty —a unique and powerful feature would be a

Automates the perfect frame-data for slide-canceling to maintain max velocity across the map.

Instead of a basic speed hack that gets you kicked instantly, this would include:

Automatically adjusts your hitbox priority based on the enemy's stance (e.g., prioritizing the neck/upper chest if they are prone to avoid "misses" caused by the game's limb penetration system).

Instead of just "No Recoil," it mimics natural camera sway while ensuring the actual projectile path remains dead-center, making it look much more "legit" in killcams.