Breachlight - Legendary Sidearm

Breachlight is a Sidearm Strand Primary in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Sidearm - Strand - Primary - Heavy Burst

Source: Episode: Echoes

It has been melted and reforged many times.

Fires a hard-hitting, two-round burst. Slightly reduces flinching from incoming fire while aiming.

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

Demolitionist
Kills with this weapon generate grenade energy. Activating your grenade ability reloads this weapon from reserves.
Pugilist
Final blows with this weapon generate melee energy.
Dealing melee damage briefly improves this weapon's handling.
Perpetual Motion
This weapon gains bonus stability, handling, and reload speed while the wielder is in motion.
Threat Detector
Increased reload, stability, and handling when enemies are in close proximity.
Compulsive Reloader
Grants increased reload speed when close to full magazine.
Slice
Casting your class ability allows this weapon to sever targets on hit for a brief duration, up to a maximum number of targets.

Desperate Measures
Weapon final blows grant bonus damage. Melee and grenade final blows grant a larger damage bonus that can stack.
Adrenaline Junkie
This weapon gains increased damage and handling from final blows with grenades or this weapon.
Swashbuckler
This weapon gains increased damage from melee kills and kills with this weapon.
Vorpal Weapon
Increased damage against bosses, vehicles, and Guardians with their Super active.
Hatchling
Precision final blows or rapidly defeating targets with this weapon spawns a Threadling at the target's location.
Collective Action
Collecting an Elemental pickup or destroying a Tangle grants this weapon a stacking period of increased damage. Throwing a Tangle provides additional time.

Elemental pickups include [Solar]Firesprites, [Void]Void Breaches, [Arc]Ionic Traces, [Stasis]Stasis Shards, and [Strand]Strand Tangles.

Cast No Shadows
Dealing melee damage increases this weapon's handling and loads a small amount of ammo from reserves.