It seems like you're describing a custom-made modification or addition to the game environment in GTA V, specifically involving the Lost MC and Stab City with a gang armory containing weapon containers. You've mentioned that this is currently in beta and is a work in progress, with plans to finish it in the future. Additionally, there's a mention of open caravans that will be available for use.

This type of project involves adding custom content to the game, creating new elements or modifying existing ones. It's a significant undertaking, and completing it will require additional time and effort.