MTM CASE-GARD J-20 series ammunition cases are a favorite of rifle enthusiasts throughout the world. Made of virtually indestructible polypropylene that will not warp crack chip peel expand or contract. The CASE-GARD J-20’s are available in five sizes. All rounds are listed bullet up position.

Some reloaders don't like the lid touching there bullets so the lid dimension below is for them. There are a lot of reloaders that expand the case as much as half inch and claim no problems with accuracy.

Cartridge Sizes: 17 / 221 / 223 Rem. 17 Fireball 17 Mach 4 204 Ruger 218 Bee 222 Rem. Mag. 300 Sherwood 300 Whisper 32 Ideal 32 Win. S. L. 351 WSL 6x47 6mm-223 Rem. 810 Cadet.

Lid is at 2.35" QAL.