Mesh component persists after delete

Development World Creation
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1

Ok so, I have an Object of MechPart, that extends AActor. It has a static mesh component that I set as it’s RootComponent, which would be things like weapons/Armour:

	meshComponent = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("MechAttachment_MeshComponent"));
	SetRootComponent(meshComponent);

Once I set the owner of a MechPart in the world, I attach it to a socket on my character called RightHand:

void AMechPart::SetOwner(AMech_RPGCharacter* inOwner)
{
	Super::SetOwner(inOwner);

	if (mesh == nullptr && meshClass != nullptr) {
		mesh = GetWorld()->SpawnActor<UStaticMesh>(meshClass);
	}

	if (mesh != nullptr) {
		meshComponent->SetStaticMesh(mesh);
		//meshComponent->SetMobility(EComponentMobility::Movable);
		/*meshComponent->bOwnerNoSee = false;
		meshComponent->bCastDynamicShadow = true
		meshComponent->CastShadow = true;*/
		meshComponent->SetHiddenInGame(false);
		meshComponent->SetCollisionEnabled(ECollisionEnabled::NoCollision);
		if (inOwner != nullptr && inOwner->GetMesh() != nullptr) {
			AttachRootComponentTo(inOwner->GetMesh(), "RightHand");
		}
	}
}

Up till this point everything is fine. It gets created and locks into position on my characters.

When I try SetActorHiddenInGame(), the mesh of the component, is still shown. So I tried to override this by doing this:

void AMechPart::SetActorHiddenInGame(bool bNewHidden)
{
	Super::SetActorHiddenInGame(bNewHidden);
	GetRootComponent()->SetHiddenInGame(bNewHidden, true);
	meshComponent->SetHiddenInGame(bNewHidden, true);
	meshComponent->SetVisibility(!bNewHidden, true);
}

But nothing changed, the StaticMesh is still being shown within the level. It even persists if I call Destroy() on MechPart.

Does anyone have any idea why? I’m not 100% sure if I need to manually destroy the MeshComponent itself, as it is part of MechPart and Destroy() works with everything else I do it to, ther characters for isntance.