| 0x0028 | 0x08 | padding / unreflected |
| 0x01 | EnableClustering | bool | 6 flags | true |
| 0x0031 | 0x03 | padding / unreflected |
| 0x04 | ClusterGroupIndex | int32 | 6 flags | 0 |
| 0x04 | MaxClusterLevel | int32 | 6 flags | 100 |
| 0x003C | 0x04 | padding / unreflected |
| 0x10 | DamageThreshold | TArray<float> | 3 flags | [3 items] |
| 0x01 | ClusterConnectionType | EClusterConnectionTypeEnum | 6 flags | Chaos_MinimalSpanningSubsetDelaunayTriangulation |
| 0x0051 | 0x07 | padding / unreflected |
| 0x10 | Materials | TArray<UMaterialInterface*> | 4 flags | [] |
| 0x10 | EmbeddedGeometryExemplar | TArray<FGeometryCollectionEmbeddedExemplar> | 3 flags | [] |
| 0x01 | bUseFullPrecisionUVs | bool | 6 flags | false |
| 0x01 | bStripOnCook | bool | 6 flags | false |
| 0x01 | EnableNanite | bool | 8 flags | false |
| 0x01 | bMassAsDensity | bool | 8 flags | true |
| 0x04 | Mass | float | 8 flags | 2500 |
| 0x04 | MinimumMassClamp | float | 8 flags | 0.1 |
| 0x01 | bRemoveOnMaxSleep | bool | 8 flags | false |
| 0x0085 | 0x03 | padding / unreflected |
| 0x10 | MaximumSleepTime | FVector2D | 8 flags | {X=5, Y=10} |
| 0x10 | RemovalDuration | FVector2D | 8 flags | {X=2.5, Y=5} |
| 0x10 | SizeSpecificData | TArray<FGeometryCollectionSizeSpecificData> | 3 flags | [] |
| 0x01 | EnableRemovePiecesOnFracture | bool | 8 flags | false |
| 0x00B9 | 0x07 | padding / unreflected |
| 0x10 | RemoveOnFractureMaterials | TArray<UMaterialInterface*> | 4 flags | [] |
| 0x10 | PersistentGuid | FGuid | 5 flags | {A=-900563907, B=1191616277, C=1330931849, D=909944103} |
| 0x10 | StateGuid | FGuid | 5 flags | {A=742621862, B=1213538120, C=2116659385, D=570462965} |
| 0x04 | BoneSelectedMaterialIndex | int32 | 5 flags | 0 |
| 0x00F4 | 0x14 | unreflected bytes to end of UGeometryCollection |