Breakneck - Legendary Auto Rifle

Breakneck is an Auto Rifle Kinetic Primary in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Auto Rifle - Kinetic - Primary - Precision Frame

Source: The Drifter

"They don't make Dark Age tech like this anymore. Lucky for you I kept all mine." —The Drifter

This weapon's recoil pattern is more predictably vertical.

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

Subsistence
Defeating targets partially reloads the magazine from reserves.
Dynamic Sway Reduction
Improves accuracy and stability while continuously holding down the trigger.
Hip-Fire Grip
Increases accuracy, stability, and precision hit targeting when firing from the hip.
Keep Away
Increases reload, range, and accuracy when no targets are in close proximity.
Heating Up
Final blows with this weapon increase accuracy and stability while improving vertical recoil.
Shoot to Loot
Shooting an Orb of Power picks it up. Shooting an ammo brick picks it up and automatically reloads all of your equipped weapons from reserves.
Pugilist
Final blows with this weapon generate melee energy.
Dealing melee damage briefly improves this weapon's handling.
Feeding Frenzy
Each rapid kill with this weapon progressively increases reload speed for a short time.
Encore
Final blows grant a stacking stability, range, and accuracy bonus to this weapon. Precision final blows grant more stacks.
Enlightened Action
Dealing damage improves reload speed and handling.
Eye of the Storm
This weapon becomes more accurate and boosts handling as your health gets lower.
Under Pressure
Improved stability and accuracy as the magazine gets lower.

Onslaught
Final blows with this weapon increase its rate of fire.
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.
Attrition Orbs
Dealing sustained damage creates an Orb of Power.
Kinetic Tremors
Sustained kinetic damage to a target emits a shockwave that damages any nearby targets.
Demolitionist
Kills with this weapon generate grenade energy. Activating your grenade ability reloads this weapon from reserves.
Offhand Strike
Final blows grant additional weapon range, stability, and accuracy when firing from the hip for a short duration.
Tap the Trigger
Grants a short period of increased stability and accuracy on initial trigger pull.
Osmosis
Using your grenade ability partially refills the magazine and changes this weapon's damage type to match your grenade until you stow it.
Moving Target
Increased movement speed and target acquisition when moving while aiming down sights.
Adagio
After defeating a target, this weapon fires, charges, or draws more slowly and deals increased damage for a brief time.
Harmony
Final blows with other weapons improve this weapon's damage and performance for a short duration.
Target Lock
Damage increases the longer this weapon remains on a target.

Gun and Run
Defeating targets builds stacks of Gun and Run for a short duration. Sprinting for a short time consumes a stack to partially reload this weapon's magazine from reserves; on Bows, this briefly improves draw speed.