Terminus Horizon - Legendary Machine Gun

Terminus Horizon is a Machine Gun Arc Heavy in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Machine Gun - Arc - Heavy - High-Impact Frame

Source: Rite of the Nine

If something heavy's coming in, send something heavy back out.

Slow firing and high damage. This weapon is more accurate when stationary, moving slowly, and aiming down sights.

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

Dragonfly
Precision kills create an elemental damage explosion.
Eddy Current
Temporarily increases reload speed and handling after sprinting or while amplified. This effect is improved when you are amplified.
Reconstruction
This weapon slowly reloads itself over time, up to double capacity.
Triple Tap
Rapidly landing precision hits will return one round to the magazine.
Envious Arsenal
Dealing damage with both other weapons before readying this weapon refills it from reserves.
Demolitionist
Kills with this weapon generate grenade energy. Activating your grenade ability reloads this weapon from reserves.

Rolling Storm
Final blows grant Bolt Charge.
While amplified, final blows grant additional Bolt Charge.
Jolting Feedback
Dealing repeated damage with this weapon inflicts Jolt.

While amplified, Jolt is applied faster.
Precision Instrument
Dealing sustained damage increases precision damage.
High-Impact Reserves
Rounds at the end of the magazine deal more damage.
Killing Tally
Kills increase this weapon's damage until it is stowed or reloaded.
Target Lock
Damage increases the longer this weapon remains on a target.

Tex Balanced Stock
Damaging targets while firing from the hip increases handling, reload speed, and movement speed while aiming down sights.
Gravity Well
Reloading this weapon automatically gathers nearby ammo.