Whatchamacallit - Legendary Submachine Gun

Whatchamacallit is a Submachine Gun Arc Primary in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Submachine Gun - Arc - Primary - Aggressive Burst

Source: Random Perks: This item cannot be reacquired from Collections.

What did you say it was called again…?

Hard-hitting four-burst fire.

Arrowhead Brake
Lightly vented barrel.
• Greatly controls recoil
• Increases handling speed
Chambered Compensator
Stable barrel attachment.
• Increases stability
• Moderately controls recoil
• Slightly decreases handling speed
Corkscrew Rifling
Balanced barrel.
• Slightly increases range and stability
• Slightly increases handling speed
Extended Barrel
Weighty barrel extension.
• Increases range
• Decreases handling speed
• Moderately controls recoil
Fluted Barrel
Ultra-light barrel.
• Greatly increases handling speed
• Slightly increases stability
Full Bore
Barrel optimized for distance.
• Greatly increases range
• Decreases stability
• Slightly decreases handling speed
Hammer-Forged Rifling
Durable ranged barrel.
• Increases range
Polygonal Rifling
Barrel optimized for recoil reduction.
• Increases stability
Smallbore
Dual strength barrel.
• Increases range
• Increases stability

Accurized Rounds
This weapon can fire longer distances.
• Increases range
Appended Mag
This weapon's magazine is built for higher capacity.
• Increases magazine size
Tactical Mag
This weapon has multiple tactical improvements.
• Slightly increases stability
• Increases reload speed
• Slightly increases magazine size
Extended Mag
This weapon has a greatly increased magazine size, but reloads much slower.
• Greatly increases magazine size
• Greatly decreases reload speed
• Increases airborne effectiveness
Steady Rounds
This magazine is optimized for recoil control.
• Greatly increases stability
• Slightly decreases range
• Increases airborne effectiveness
Alloy Magazine
Faster reload when the magazine is nearly empty.
Flared Magwell
Optimized for fast reloading.
• Slightly increases stability
• Greatly increases reload speed

Enlightened Action
Dealing damage improves reload speed and handling.
Headseeker
Body shots landed with this weapon increase precision damage and aim assist for a short time. Body shots landed while the perk is active refresh the time.
Light Touch
This weapon gains reload speed, handling, and aim down sight speed when you are amplified, radiant, or have Devour.
Collective Pugilism
Collecting an Elemental pickup or destroying a Tangle grants this weapon a stacking period of melee energy generation on hit. Throwing a Tangle provides additional time.

Elemental pickups include [Solar]Firesprites, [Void]Void Breaches, [Arc]Ionic Traces, [Stasis]Stasis Shards, and [Strand]Strand Tangles.
Stats for All
Hitting three separate targets increases weapon handling, stability, reload, and range for a moderate duration.
Keep Away
Increases reload, range, and accuracy when no targets are in close proximity.

Gear Shift
Reloading after a final blow or becoming amplified grants a period of increased damage. Stacks 5x.
Sword Logic
Final blows with this weapon grant bonus damage. The strength and duration of the bonus increases when more powerful targets are defeated.
Frenzy
Being in combat for an extended time increases damage, handling, and reload for this weapon until you are out of combat.
Rangefinder
Aiming this weapon increases its effective range and zoom magnification. Increased projectile velocity while aiming Rocket Launchers, Grenade Launchers, and Bows.
Jolting Feedback
Dealing repeated damage with this weapon inflicts Jolt.

While amplified, Jolt is applied faster.
Dragonfly
Precision kills create an elemental damage explosion.

Problem Solver
Dealing sustained damage to Champion, miniboss, or boss combatants exhausts them and grants this weapon handling and reload speed.

Exhausted targets deal reduced outgoing damage.
Vanguard Determination
After using your class ability, final blows with this weapon grant you bonus damage resistance.
Häkke Breach Armaments
This weapon deals increased damage against vehicles and constructs.

Constructs include barricades, turrets, Stasis crystals, and other objects created in the field.