Durable polypropylene ammunition storage for medium rifle cartridges. Twenty-round capacity with bullet-up positioning, crystal-clear red construction that won't warp, crack, or chip. Compact 3.08" lid height.
The MTM Case-Gard J-20 is a workhorse ammunition storage solution trusted by rifle shooters and reloaders worldwide. Built from virtually indestructible polypropylene, this box delivers the durability you need for long-term cartridge storage and organization.
The J-20 accommodates a wide range of medium rifle cartridges, including:
Reloaders appreciate the J-20's design flexibility. The compact lid height works well for shooters who expand cases during the reloading process—many report no accuracy issues even with cases expanded up to half an inch.
Whether you're storing factory ammunition, organizing reloaded rounds, or managing a diverse cartridge collection, the MTM Case-Gard J-20 delivers reliable, affordable storage that lasts.