ToughBuilt StackTech Low Profile Center Bins Type:5-Bin but should work with most

but should work with most any brand

The ammo holders fit inside the small or large OEM bins and hold various calibers of ammo

Each set comes with enough bins to full a small or large OEM bin

the half-height ammo trays are compatible with the PACKOUT Customizable Stacking Trays so you can mix and match your setup to hold ammo as well as other items for the range (e

Included: 3pcs center bins (ToughSystem case and bins NOT included)

ToughBuilt StackTech Low Profile Center Bins Type:5-Bin but should work with mostThese bins sit inside the center gap to add additional storage. Compatibility: ToughBuilt StackTech Low Profile Organizer (TB B1 O 10) Included: 3pcs or 5pcs center bins (ToughBuilt case and bins NOT included)