If you want quick access -- hand carry, Kifaru gun bearer, or assault style sling in what I call "cross body african". Cross body african is more comfortable with an Umlindi than a Ute. If quick access isn't important, on the side of the pack tucked into the wand pocket is by far the best. If it needs to be concealed, get two 717 stuff sacks and put the upper in one and lower in the other. Stow one bag on each side of the pack in the wand pocket under the compression.