Hello all. As we all know powder is first poured into a measure and then from the measure down the barrel - never poured down the barrel directly from a can or horn.

What I am wondering: In the case of a powder flask when using a measuring spout, after filling the spout with powder and releasing the dispense button, is it safe to then pour the powder from the spout down the barrel? Or should the powder in the spout go into a measure first before going down the barrel? The flask I am talking about is this type: