# Projectile component impact event not firing when projectile collides with scene graph entities

**URL:** <https://forums.unrealengine.com/t/projectile-component-impact-event-not-firing-when-projectile-collides-with-scene-graph-entities/2841897>\
**Category:** Issues and Bug Reporting\
**Tags:** Status-ReadyForQA, fortnite-creative, unreal-editor-for-fortnite, bug-report, fortnite\
**Created:** [October 17, 2026, 1:30pm UTC](https://forums.unrealengine.com/t/projectile-component-impact-event-not-firing-when-projectile-collides-with-scene-graph-entities/2841897 "2026-10-17T13:30:04Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![DorgieStudios](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/dorgiestudios/32/1187190_2.png) [@DorgieStudios](https://forums.unrealengine.com/u/DorgieStudios)\
**Post date:** [October 17, 2026, 1:30pm UTC](https://forums.unrealengine.com/t/projectile-component-impact-event-not-firing-when-projectile-collides-with-scene-graph-entities/2841897/1 "2026-10-17T13:30:05Z")

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### Summary

Projectile components not firing Impact event when in contact with entities despite physically stopping in world

### Please select what you are reporting on:

Verse

### What Type of Bug are you experiencing?

Scene Graph

### Steps to Reproduce

Create a custom projectile prefab and give it a component that inherits from fort\_projectile\_component, in the component use this code:

```var

    OnSimulate <override> ()<suspends> : void =
        (super:)OnSimulate()
        if. SimulationEntity := Entity.GetSimulationEntity[] then. set SimEntity = option. SimulationEntity
        #OnImpactEvent.Subscribe(HandleImpact)

    HandleImpact(Impact : projectile_impact_result) : void =
          Print("Impact")

```

### Expected Result

Impact is printed whenever the projectile physically stops

### Observed Result

Impact is only printed when the projectile collides with non-entities e.g static meshes, landscape actors, fort water bodies ext

### Platform(s)

PC (UEFN editor)  
PC (UEFN session)

### Video

[![](https://d3kjluh73b9h9o.cloudfront.net/original/4X/4/8/7/4872accf476a2cb9f9c46d1556f019a19d88b073.jpeg "UEFN projectile unlisted bug report") ](https://www.youtube.com/watch?v=wnAEELBU3jg)

### Additional Notes

workaround: just make the alive after impact time 0 seconds and put your impact logic under remove from scene

---

<div class="post-metadata">

**Author:** ![Bug-Reporter](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/bug-reporter/32/997076_2.png) [@Bug-Reporter](https://forums.unrealengine.com/u/Bug-Reporter)\
**Post date:** [November 5, 2026, 12:00am UTC](https://forums.unrealengine.com/t/projectile-component-impact-event-not-firing-when-projectile-collides-with-scene-graph-entities/2841897/5 "2026-11-05T00:00:23Z")

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FORT-1175064’s status has changed to ‘Ready for QA’. A member of the QA department is investigating the issue.