I am a kinda do it yourself guy and try and make things that will work. 1/2" pvc cut to about 3" in length and glue an end cap on 1 side. This will hold the premeasured powder and will pour into the barrel with any spilling. For my sabbotts I use 3/4" pvc one end glued about 5" long and it will hold enough sabbotts for a days of hunting hunting. Take a black magic marker and color the end cap that will be removed. This keeps you from pulling on the glued end. #11 primers in their own case, and I am a fanny pack user, PVC will fit in any pant or coat pocket and ready for use.