The CASE-GARD RS-100 is a textured fliptop 100 round small rifle ammunition box. 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. Each cartridge rest in its own individual compartment. This box also features are mechanical hinge which is guaranteed for 1 million open-close cycles or 25 years. A Snap-Lock latch protects contents from accidentally spilling. Each CASE-GARD 100 ammo box is supplied with a load label for recording load and sight data.RS-100- Fits 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"