Made of virtually indestructible polypropylene that will not warp, crack, chip, peel, expand or contract, MTM Case-Gard RS-100ammunition cases are still the first choice of rifle enthusiasts throughout the world. RS-100: 17 Fireball, 17 MACH 4, 17 / 221 / 222 / 223 Rem., 204 Ruger, 218 Bee, 222 Rem. Mag., 223 Rem. HP, 25-20 Win., 300 Blackout, 300 Sherwood, 300 Wisper, 32 Ideal, 32 / 401 Win. S.L., 350 Legend, 351 WSL, 38-55 Win., 5.56x45, 6x47, 6mm TCU, 6mm-223 Rem., 7.62 x 37 Musang. Max. OAL= 2.65" | MTM Case-Gard RS-100 Rifle Ammo Box 100 Round