Fimbulwinter Stitch - Legendary Sidearm

Fimbulwinter Stitch is a Sidearm Arc Primary in Destiny 2. Review its base stats, perk pool, and masterwork options.

Weapon overview

Sidearm - Arc - Primary - Precision Frame

Source: The Dawning.

Will you take us to the end?

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

Rapid Hit
Rapid precision hits temporarily increase stability and reload speed.
Trickle Charge
Receiving or discharging Bolt Charge partially loads the magazine from reserves.
Rangefinder
Aiming this weapon increases its effective range and zoom magnification. Increased projectile velocity while aiming Rocket Launchers, Grenade Launchers, and Bows.
Loose Change
Applying an elemental debuff to a target increases this weapon's reload speed, aim assist, and movement while aiming down sights for a short duration.
Supercharged Magazine
While amplified, ammo is gradually transferred from reserves to the magazine.

While in Speed Booster, ammo regenerates faster and overflows the magazine.
Collective Pugilism
Collecting an Elemental pickup or destroying a Tangle grants this weapon a stacking period of melee energy generation on hit. Throwing a Tangle provides additional time.

Elemental pickups include [Solar]Firesprites, [Void]Void Breaches, [Arc]Ionic Traces, [Stasis]Stasis Shards, and [Strand]Strand Tangles.
Lone Wolf
Slightly improves aim assist, aim down sights speed, and airborne effectiveness. Increases these effects when there are no nearby allies.

Kill Clip
Reloading after a kill grants increased damage.
Jolting Feedback
Dealing repeated damage with this weapon inflicts Jolt.

While amplified, Jolt is applied faster.
Rolling Storm
Final blows grant Bolt Charge.
While amplified, final blows grant additional Bolt Charge.
Collective Action
Collecting an Elemental pickup or destroying a Tangle grants this weapon a stacking period of increased damage. Throwing a Tangle provides additional time.

Elemental pickups include [Solar]Firesprites, [Void]Void Breaches, [Arc]Ionic Traces, [Stasis]Stasis Shards, and [Strand]Strand Tangles.
Precision Instrument
Dealing sustained damage increases precision damage.
Redirection
Damaging rank-and-file combatants increases damage against more powerful ones.
Voltshot
Reloading this weapon after defeating a target overcharges this weapon for a short period of time, causing it to jolt on its next hit.

Dawning Surprise
Defeating targets awards a Dawning gift. Defeated powerful targets count as more than one.