Form fitting pack with 6 verticle elasitic or regular pouches. The Flex Pro with the elastic pouches will hold 100 round tubes and up and the regular pouches will hold 140rnd tubes. Comes with a 6 inch velcro belt and a 2 inch cinch over belt. Packs can be custom made to your specifications.
The Indian Springs X-Gear 6 Vertical is older, so while it may be available used and in a few cases new, it is not commonly available anymore.