Sharp Harvest is a trait in Destiny 2 that can appear on 13 weapons. An enhanced version exists on crafted and some newer weapons.
What Sharp Harvest does
Landing three light-attack hits within a short time grants special ammo.
Enhanced version
Landing three light-attack hits within an improved short time grants special ammo.
Weapons that can roll Sharp Harvest (13)
Abide the ReturnSolar · Sword
Aurora DawnStasis · Sword
Chivalric FireVoid · Sword
Eighty-SixStrand · Sword
Hardline CutArc · Sword
Hero of AgesArc · Sword
NasreddinArc · Sword
Stryker's Sure-HandVoid · Sword
Summum BonumArc · Sword
Summum Bonum (Adept)Arc · Sword
SynanceiaSolar · Sword
Temptation's HookArc · Sword
Terciopelo-4blSolar · Sword