Speleologist - Legendary Machine Gun

Speleologist is a Machine Gun Solar Heavy in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Machine Gun - Solar - Heavy - Rapid-Fire Frame

Source: Episode: Echoes Activities

"There is a Human phrase: Many hands make light work." —Eido, Scribe of House Light

Deeper ammo reserves. Slightly faster reload when magazine is empty.

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.
Enlightened Action
Dealing damage improves reload speed and handling.
Stats for All
Hitting three separate targets increases weapon handling, stability, reload, and range for a moderate duration.
Deconstruct
Dealing sustained damage grants bonus damage against vehicles and constructs and refills ammo from reserves. Damage with Primary ammo or against constructs provides additional progress.

Constructs include barricades, turrets, Stasis crystals, and other objects created in the field.
Firmly Planted
Increased accuracy, stability, and handling when firing while crouched.
Slideways
Sliding partially reloads this weapon's magazine and temporarily boosts handling and stability.
Envious Assassin
Defeating targets with other weapons before drawing this one transfers ammo to the magazine from reserves. This effect can overflow the magazine based on the number of targets defeated.

Strategist
Final blows with this weapon generate class ability energy. Activating your class ability briefly improves this weapon's stability.
Adagio
After defeating a target, this weapon fires, charges, or draws more slowly and deals increased damage for a brief time.
One for All
Hitting three separate targets increases damage for a moderate duration.
Target Lock
Damage increases the longer this weapon remains on a target.
Surrounded
This weapon gains bonus damage when three or more enemies are in close proximity.
Incandescent
Defeating a target spreads scorch to those nearby.
More powerful combatants and opposing Guardians cause scorch in a larger radius.
Killing Tally
Kills increase this weapon's damage until it is stowed or reloaded.

Radiolaria Transposer
Rapid final blows cause targets to explode into a pool of radiolarian fluid.