The Mountaintop - Legendary Grenade Launcher

The Mountaintop is a Grenade Launcher Kinetic Special in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Grenade Launcher - Kinetic - Special - Micro-Missile Frame

Source: Glory Rank of "Fabled" in Crucible

"In the heat of battle, Guardian, you will know the right choice to make." —Lord Shaxx

This weapon fires a high-speed micro-missile in a straight line and deals reduced self-damage. Move faster with this weapon equipped.

Volatile Launch
This weapon is optimized for an especially explosive payload.
• Greatly increases blast radius
• Slightly decreases handling speed
• Slightly decreases projectile speed
Confined Launch
This weapon's launch parameters are particularly stable.
• Greatly increases stability
• Increases blast radius
• Decreases projectile speed
Countermass
This weapon is weighted for vertical recoil.
• Greatly controls recoil
• Increases stability
• Increases handling speed
Hard Launch
This weapon's launch barrel is optimized for projectile speed.
• Greatly increases projectile speed
• Decreases stability
• Slightly decreases blast radius
Linear Compensator
This weapon's launch barrel is well-balanced.
• Slightly increases projectile speed
• Slightly increases blast radius
• Slightly increases stability
Quick Launch
This weapon's barrel provides faster projectiles and much faster aiming.
• Greatly increases handling speed
• Increases projectile speed
Smart Drift Control
This barrel is broadly optimized for firing control.
• Moderately controls recoil
• Increases stability
• Increases handling speed
• Slightly increases projectile speed

Sticky Grenades
Grenades fired from this weapon attach on impact and detonate when enemies are in proximity.
Spike Grenades
Grenades fired from this weapon do increased damage on direct hits.
• Increases stability
High-Velocity Rounds
This weapon's projectiles are particularly light and quick.
• Increases projectile speed
• Increases reload speed
Implosion Rounds
This weapon's projectiles travel faster and have a controlled explosion.
• Increases projectile speed
• Greatly increases stability
• Decreases blast radius

Ambitious Assassin
Overflows the magazine based on the number of rapid kills before reloading.
Impulse Amplifier
Massively increases projectile velocity, increases reload speed.
Demolitionist
Kills with this weapon generate grenade energy. Activating your grenade ability reloads this weapon from reserves.
Lead from Gold
Picking up Heavy ammo also grants ammo to this weapon.
Slickdraw
Significantly increases handling, significantly decreases target acquisition.
Auto-Loading Holster
The holstered weapon is automatically reloaded after a short period of time.
Overflow
Picking up Special or Heavy ammo automatically loads this weapon beyond normal capacity.

Rampage
Kills with this weapon temporarily grant increased damage. Stacks 3x.
Vorpal Weapon
Increased damage against bosses, vehicles, and Guardians with their Super active.
Adrenaline Junkie
This weapon gains increased damage and handling from final blows with grenades or this weapon.
One for All
Hitting three separate targets increases damage for a moderate duration.
Harmony
Final blows with other weapons improve this weapon's damage and performance for a short duration.
Recombination
Elemental final blows increase the damage of this weapon's next shot.
Frenzy
Being in combat for an extended time increases damage, handling, and reload for this weapon until you are out of combat.

Indomitability
Final blows grant grenade energy when playing a Light subclass or melee energy when playing a Darkness subclass.