What is the quantity of heirloom throwing lance?

[ywllyht]

Will heirloom of throwing weapons have more quantity now?

[Belmont]

Masterwork Throwing Lance
missile speed: 19
weapon length: 120
weight: 1.5
accuracy: 154
difficulty: 7
speed rating: 81
missile speed: 19
weapon length: 120
max ammo: 1
thrust damage: 60 pierce
slots: 1
Bonus against Shield
Secondary Mode

Max ammo does not increase with heirlooming anymore.

[ywllyht]

Thank you!