Individual slots hold up to 20 rounds of ammo securely in hard-shell plastic ensuring the safety of your ammo with a slip top lid for easy access. Specifications and Features: Holds 20 rounds .220 Swift, .243 Win, .257 Roberts, .270 WSM, .300 WSM, .243 Win, .308 Win, .35 Rem, .444 Marlin, .45-70 Gov, 7mm-08 and similar Length: 7.13" Height: 3.14" Width: 2"