The Plano 50-Count Medium Rifle Ammo Case provides a secure place to store ammunition. The case holds up to 50 rounds and is compatible with .220 Swift, .243 Winchester, .257 Roberts, .270 WSM, .300 WSM, .243 Winchester, .308 Winchester, .35 Remington, .444 Marlin, .45-70 Government and 7 - 8 mm bullets. Hinged cover.