MTM CASE-GARD rifle ammunition cases are still the first choice of rifle enthusiasts throughout the world. Made of virtually indestructible polypropylene that will not warp crack chip peel expand or contract. This box also features are mechanical hinge which is guaranteed for 1 million open-close cycles or 25 years. Snap-Lock latch protects contents from accidental spilling. Each CASE-GARD 100 ammo box is supplied with a load label for recording load data. This style of CASE-GARD 100's is available in two sizes. All rounds listed bullet up.RM-100- 219 Zipper 22 BR 22 Cheetah 22 Sav. HP 220 Swift 225 / 243 / 25-284 / 307 / 308 / 6mm-284 Win. 25-35 WCF 224 Wby. Mag. 250 / 300 Sav. 338 Fed. 22-250 / 244 / 25 / 32 / 35 / 6mm / 7mm-08 Rem. 28-30 Sevens 360 Nitro Exp 2 1/4" 375 Rimless 2 1/4" 5.6x52 Rimmed 6 / 6.5 Creedmor 6.5x257 Roberts 6.5x50 Jap. Arisaka 7.35 Carcano 7.5x54 French MAS 7.65x53 Mauser 7mm TCU.410 Shotshells.Max. OAL= 3.05"