Both of these are plastic storage cans from MTM, built in the United States and rated as lockable, but they differ in size, weight, and finish. The AC35 comes in orange, is stackable, lists a 707 cu in capacity, and has a stated weight capacity of 30 lb.
The SPUD2-11 is the Sportsmens Plus Utility Dry Box, finished in forest green with an O-ring seal noted in the title. It is heavier at 4.45 lb compared to the AC35's 2.3 lb, and its dimensions run larger in height and length, though narrower in width.
Spec for spec
SpecMTM Ammo Can AC35MTM Sportsmens Plus SPUD2-11
MaterialPlasticPolypropylene
ColorOrangeForest Green
FeaturesLockable, StackableO-Ring Sealed, Hidden Compartment, Waterproof, Heavy-Duty Latch

