Attach Actor To Component

Using the Node Attach Actor To Component you specify the parent which is a mesh, however the target is a Actor this can be a blueprint. Whats interesting is you don't need to specify the mesh of the blueprint, it seems to just know.

If you wanted a gun you would first Spawn in the blueprint, than set the blueprint as the target. You can connect to the blueprint to the correct socket and it will spawn the blueprint's mesh in the correct location.