A HB0002 model Nexpack services tactical ability and certainly it does would service almost any "casual" hunting-related application, too. I wouldn't try to place a hind quarter of an Alaska/Yukon bull moose inside of one, though. But for everything else in North America, the HB model is great, especially for day use. On an extended backpacking (multi-night) excursion, I'll always opt for an external frame pack, but that's me. I like the dependability and the ability or option to "compromise under stressful or problematic situations" when using an external frame pack.
