The case-gard r-50 ammo box is made of indestructible polypropylene that will not warp crack chip peel expand or contract.It features a full length mechanical hinge and textured finish which makes it easier to grip and harder to scratch.This case-gard r-50 ammo box is supplied with a load label for recording load and sight data.Made in usa.Fits calibers oal 2.46" 219 zipper 223/243/25/270 wssm 401 win.S.L. 458 socom 460/500 s&w mag. 475/500 linebaugh 50 beowulf.Also holds 50 aa batteries and they won't come out of there compartments when turned on it side.Type: Ammo BoxModel: Case-GardFinish: Clear BlueSize: 223/243Material: PolypropyleneCapacity: 50rdDimensions: 2.46" Max OALHardware: Snap Latch