you dont need a live gun or ****.
go tape a cross of masking tape onto the mirror. put a pack on your back with pods in it and just sit in front of the mirror trying to keep the barrel on the cross for a period of time. then move on to moving a pod from the pack to loader and simulate filling.
quickest way to do it is to use the pot to open the lid if its a halo with a swift upward thrust. Pop the pod lid and tip in. if its an egg you gotta open the lid first and then get your pod.
then when you do go out onto practice field do it as one of your practices.
when i said watch oli lang, i meant it. literally. watch him on a DVD and copy his style