All Armor Set Perks in Destiny 2

Set Name (and Source)

Effect

Techsec (Fireteam Ops)

2-Piece (Wrecker): Deal significantly increased Kinetic damage against combatant shields, overshields, vehicles, and constructs (Barricades, Stasis Crystals, turrets, and other objects in the field).

4-Piece (Concussive Rounds): Defeating Powerful combatants or breaking a combatant shield with Kinetic damage releases a disorienting Kinetic shockwave.

Aion Renewal (Kepler Activities)

2-Piece (Force Converter): After a Final Blow with any Grenade Launcher or Rocket Launcher, sprint for a short time to gain a Speed Booster.

4-Piece (Reactive Booster): Once after triggering Force Converter, sprinting while at critical health, being suspended, or being slowed by a Stasis effect will immediately grant Speed Booster for a short duration.

Bushido (Fireteam Ops)

2-Piece (Iaido): Final Blows with freshly drawn or reloaded weapons heal you.

4-Piece (Unfaltering Focus): Bow, Shotgun, or Sword Final Blows temporarily reduce incoming damage. Damaging targets with those weapons extend the effect.

Last Discipline (Crucible)

2-Piece (Terminal Velocity): Final Blows with primary ammo weapons grant primary ammo weapons temporarily increased reload speed.

4-Piece (Power Loader): Picking up an Orb of Power grants special ammo progress.

Aion Adapter

2-Piece (Force Absorption): Final blows with Grenade Launchers or Rocket Launchers temporarily decrease incoming area damage.

4-Piece (Reactive Shock): Taking melee damage while Force Absorption is active causes you to emit a disorienting burst once.

Two-Fold Crown (Trials of Osiris)

2-Piece (Crook and Flail): Picking up an ammo brick heals you.

4-Piece (Gift of Sight): Final Blows with primary ammo weapons give you briefly increased radar resolution.