Heliocentric QSc - Legendary Sidearm

Heliocentric QSc is a Sidearm Solar Primary in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Sidearm - Solar - Primary - Lightweight Frame

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

What anchors you in the vast cosmos?

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

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

Heal Clip
Reloading shortly after dealing a final blow grants Cure to you and your nearby allies.
Perpetual Motion
This weapon gains bonus stability, handling, and reload speed while the wielder is in motion.
Enlightened Action
Dealing damage improves reload speed and handling.
Rangefinder
Aiming this weapon increases its effective range and zoom magnification. Increased projectile velocity while aiming Rocket Launchers, Grenade Launchers, and Bows.
Demolitionist
Kills with this weapon generate grenade energy. Activating your grenade ability reloads this weapon from reserves.
Moving Target
Increased movement speed and target acquisition when moving while aiming down sights.

Incandescent
Defeating a target spreads scorch to those nearby.
More powerful combatants and opposing Guardians cause scorch in a larger radius.
Kill Clip
Reloading after a kill grants increased damage.
Adrenaline Junkie
This weapon gains increased damage and handling from final blows with grenades or this weapon.
Surrounded
This weapon gains bonus damage when three or more enemies are in close proximity.
Precision Instrument
Dealing sustained damage increases precision damage.
Frenzy
Being in combat for an extended time increases damage, handling, and reload for this weapon until you are out of combat.

Nadir Focus
Sustained fire increases accuracy and range. Increases lunge distance for Swords, and projectile velocity for Launchers.