MTM R-50 Series Rifle Ammo Box- Made in Dayton, Ohio. These virtually indestructible 50 round ammo cases will not warp, crack, peel, expand, chip, or contract. The Snap-Lock latch will prevent any accidental spilling. Each ammo box has a load label for recording load and sighting data. The mechanical hinges are so strong that they come with a MTM 25 year guarantee. Please see attached chart for sizing details. 50 round boxMechanical hingeScuff resistantSnap lock latchClear Blue25 year MTM guaranteeSee sizing chart for load specific boxes