Stochastic Variable - Legendary Submachine Gun

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

Weapon overview

Submachine Gun - Arc - Primary - Lightweight Frame

Source: Open Legendary engrams and earn faction rank-up packages.

"However certain we are of our simulations, they always contain an element of unpredictability." —Lakshmi-2

Superb handling. Move faster with this weapon equipped.

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

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
Alloy Magazine
Faster reload when the magazine is nearly empty.
Appended Mag
This weapon's magazine is built for higher capacity.
• Increases magazine size
Armor-Piercing Rounds
Rounds cause extra damage to combatants' shields and overpenetrate targets.
• Slightly increases range
High-Caliber Rounds
Shots from this weapon knock the target back farther.
• Slightly increases range
Ricochet Rounds
Rounds ricochet off hard surfaces.
• Increases stability
• Slightly increases range
Flared Magwell
Optimized for fast reloading.
• Slightly increases stability
• Greatly increases reload speed
Light Mag
Improved reload and range.
• Increases reload speed
• Slightly increases range
Phase Magazine
Increases damage while lowering rate of fire.
• Decreases magazine size

Under Pressure
Improved stability and accuracy as the magazine gets lower.
Zen Moment
Causing damage with this weapon reduces recoil and flinch over time.
Killing Wind
Final blows grant increased mobility, weapon range, and handling for a short duration.
Surplus
Increases handling, reload speed, and stability for each fully charged ability.
Ambitious Assassin
Overflows the magazine based on the number of rapid kills before reloading.
Feeding Frenzy
Each rapid kill with this weapon progressively increases reload speed for a short time.

Unrelenting
Rapidly defeating targets triggers health regeneration. Guardians and powerful combatants count as more than one kill.
Dragonfly
Precision kills create an elemental damage explosion.
Multikill Clip
Reloading grants increased damage based on the number of rapid final blows made beforehand.
Wellspring
Kills with this weapon generate ability energy. This energy is divided between your uncharged abilities.
Elemental Capacitor
Increased stats based on the currently equipped Super.
• [Solar] increases your reload speed.
• [Arc] increases handling.
• [Void] increases stability.
• [Stasis] moderately controls recoil and increases movement speed when aiming down sights.
• [Strand] increases airborne effectiveness.
Quickdraw
This weapon can be drawn unbelievably fast.