These are the newer CASE-GARD ammo boxes. Made of virtually indestructible polypropylene that will not warp, crack, chip, peel, expand or contract, MTM CASE-GARD rifle ammunition cases are still the first choice of rifle enthusiasts throughout the world. Mechanical hinge that is guaranted for 25 years. Snap-Lock latch protects contents from accidental spilling. Textured finish makes it easier to grip and harder to scratch. Cartridge Sizes: 22-250 Rem., 22 BR, 22 Cheetah, 22 PPC, 22 Rem. Jet, 22 Sav. HP, 220 Rus., 224 Wby. Mag., 250 Sav., 30 / 35 Rem., 32-40 Win, 351 / 401 Win. SL, 6mm PPC USA, 6.8mm Rem. Spl., 6mm BR-DX, 6mm Norma BR, 7mm BR, 450 Bushmaster, 7.62 x 39 Rus. Max. OAL= 2.50"