The D3 chest rig is designed as a versatile lightweight chest rig to accommodate for all your field needs. The D3 comes with several preset pouches and can hold:

-4x M4 Magazines (retained with bungee tabs)

-2x Pistol Magazines 

-1x Large Utility Pouch

-1x Small Utility Pouch

Additionally the D3 can be scaled up to fulfill some more heavy duty requirements, such as the capability to attach a flatpack for more storage space, or attaching to a compatible plate carrier for more protective coverage.