Trickle Charge is a trait in Destiny 2 that can appear on 23 weapons. There is also an enhanced version with a stronger effect.
What Trickle Charge does
Receiving or discharging Bolt Charge partially loads the magazine from reserves.
Enhanced version
Receiving or discharging Bolt Charge partially loads an improved quantity of the magazine from reserves.
Weapons that can roll Trickle Charge (23)
21% DeliriumArc · Machine Gun
Bitter EndArc · Machine Gun
Come to PassArc · Auto Rifle
Fimbulwinter StitchArc · Sidearm
Horror's LeastArc · Pulse Rifle
Indebted KindnessArc · Sidearm
KerauniosArc · Trace Rifle
Main IngredientArc · Fusion Rifle
Phyllotactic SpiralArc · Pulse Rifle
PosterityArc · Hand Cannon
ProsecutorArc · Auto Rifle
Psi Aeterna IVArc · Pulse Rifle
Rapid GrowthArc · Sniper Rifle
Salvager's SalvoArc · Grenade Launcher
Sarpedon-DArc · Hand Cannon
Seventh Seraph SAWArc · Machine Gun
Seventh Seraph VY-7Arc · Submachine Gun
Snipehunt Mk. 47Arc · Auto Rifle
Solemn LieArc · Hand Cannon
TrendsetterArc · Auto Rifle
True ProphecyArc · Hand Cannon
UnworthyArc · Scout Rifle
Voltaic ShadeArc · Scout Rifle