Unwavering Duty (Adept) - Legendary Machine Gun

Unwavering Duty (Adept) is a Machine Gun Solar Heavy in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Machine Gun - Solar - Heavy - Adaptive Frame

Source: Flawless Chest in Trials of Osiris

"There's no one else I can trust with her care." —Ikora Rey

A well-rounded grip, reliable and sturdy.

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

Auto-Loading Holster
The holstered weapon is automatically reloaded after a short period of time.
Field Prep
Increases ammo generation. Faster reload, stow, and ready speed when you're crouching.
Dynamic Sway Reduction
Improves accuracy and stability while continuously holding down the trigger.
Ambitious Assassin
Overflows the magazine based on the number of rapid kills before reloading.
Killing Wind
Final blows grant increased mobility, weapon range, and handling for a short duration.
Offhand Strike
Final blows grant additional weapon range, stability, and accuracy when firing from the hip for a short duration.
Subsistence
Defeating targets partially reloads the magazine from reserves.

Tap the Trigger
Grants a short period of increased stability and accuracy on initial trigger pull.
Firing Line
This weapon deals increased precision damage when near two or more allies.
Focused Fury
Dealing a portion of the magazine as precision damage grants this weapon bonus damage. The shot count is reset whenever the weapon is reloaded or stowed.
Killing Tally
Kills increase this weapon's damage until it is stowed or reloaded.
Incandescent
Defeating a target spreads scorch to those nearby.
More powerful combatants and opposing Guardians cause scorch in a larger radius.
Adaptive Munitions
This weapon adapts its damage output and effectiveness against energy shields that don't match the weapon's damage type.
Cascade Point
Final blows or sustained precision hits with another weapon increase this weapon's rate of fire for a short duration.

Alacrity
Gain increased reload, stability, aim assist, and range when an ally is defeated. Bonus increases when multiple allies are dead at the same time or when you are running solo.
One Quiet Moment
Grants increased reload speed and handling when out of combat. Swords gain faster movement speed.
Suros Synergy
Reloading grants this weapon bonus handling and reduces incoming flinch for a short time.