Fragile Focus is a trait in Destiny 2 that can appear on 42 weapons. An enhanced version exists on crafted and some newer weapons.
What Fragile Focus does
This weapon gains bonus range until your shield is destroyed. The bonus returns once your shield has regenerated to full strength.
Enhanced version
This weapon gains bonus range until your shield is destroyed. The bonus returns more quickly once your shield has regenerated to full strength.
Weapons that can roll Fragile Focus (42)
AgapeSolar · Hand Cannon
ChronophageVoid · Trace Rifle
Compass RoseSolar · Shotgun
Controlling VisionKinetic · Sidearm
Corundum HammerStrand · Hand Cannon
D.F.A. (Adept)Kinetic · Hand Cannon
DeadlockStasis · Shotgun
Enyo-DKinetic · Submachine Gun
Finite ImpactorSolar · Hand Cannon
FirefrightKinetic · Auto Rifle
ForgivenessArc · Sidearm
Forgiveness (Adept)Arc · Sidearm
GlacioclasmVoid · Fusion Rifle
Hand in HandArc · Shotgun
Igneous HammerSolar · Hand Cannon
Igneous Hammer (Adept)Solar · Hand Cannon
IKELOS_SR_v1.0.3Solar · Sniper Rifle
ImminenceStrand · Submachine Gun
Imminence (Adept)Strand · Submachine Gun
Laser PainterStrand · Linear Fusion Rifle
Lodbrok-CKinetic · Auto Rifle
Mercurial OverreachArc · Sniper Rifle
Mindbender's AmbitionSolar · Shotgun
Mindbender's Ambition (Adept)Solar · Shotgun
Nox Perennial VStrand · Fusion Rifle
Origin StoryKinetic · Auto Rifle
Out of BoundsArc · Submachine Gun
Pizzicato-22Kinetic · Submachine Gun
Pure PoetryKinetic · Hand Cannon
Sightline SurveyArc · Hand Cannon
SuperclusterStrand · Shotgun
SwordbreakerStrand · Shotgun
Swordbreaker (Adept)Strand · Shotgun
Taipan-4frVoid · Linear Fusion Rifle
The Hero's BurdenVoid · Submachine Gun
The InquisitorArc · Shotgun
The Inquisitor (Adept)Arc · Shotgun
The ShowrunnerKinetic · Submachine Gun
Unending TempestStasis · Submachine Gun
Veiled ThreatStasis · Auto Rifle
Wastelander M5Kinetic · Shotgun
Without RemorseSolar · Shotgun