For Prime members only,
Amazon offers the MTM Ammo Crate Utility Box
, model no. ACR7-18, for $13.29
with free shipping
. That's the lowest total price we could find by $3. It features two side handles, stackable design, double padlock, four tie-down points, water-resistant O-ring seal, and measurements of 17.2" x 10.7" x 9.2".