Adept Stability is a Weapon Mod in Destiny 2.
What it does
+10 Stability
Source
Flawless Chest in Trials of Osiris or Grandmaster Nightfalls
More Weapon Mods
Adept AccuracyWeapon Mod
Adept Draw TimeWeapon Mod
Adept Icarus GripWeapon Mod
Adept ImpactWeapon Mod
Adept TargetingWeapon Mod
Calm Amidst ChaosWeapon Mod
Cowboy GripWeapon Mod
CQC Optics: HighWeapon Mod
Full Auto RetrofitWeapon Mod
Icarus GripWeapon Mod
Opening SalvoWeapon Mod
Quick Access SlingWeapon Mod
TacticalWeapon Mod
Temporal BlastWeapon Mod
Temporal LoaderWeapon Mod