Fitted for .220 Swift, .243 Winchester, .275 Roberts, .270 WSM, .300 WSM, .308 Winchester, .35 Remington, .444 Marlin, .45-70 Government and 7mm-08. Holds up to 50 rounds. Made of durable hard-shell plastic. Flip-top lid for easy access. This Plano ammunition field box is designed to hold up to 20, 50, or 100 rounds of completed ammunition securely within a hard shell plastic case. This case will ensure your rounds are kept safe when heading to the range, or for storage in your gun safe. The flip top lid is semi see through and has 2 snap closures with a locking loop.