MTM Case-Gard J20L29 J-20 Slip Top Multi-Caliber Rifle Clear Red Polypropylene 20rd

The MTM Case-Gard J-20 slip-top ammo box is a compact rifle ammunition storage solution built for hunters and shooters who need reliable, portable round protection. Made from tough polypropylene that resists warping, cracking, and environmental stress, this 20-round case slides easily into a shirt or jacket pocket during hunting trips—no extra gear required. The clear red design lets you quickly identify what's inside and see remaining inventory at a glance.

Multi-caliber compatibility makes the J-20 versatile enough to organize different loads without maintaining a dozen specialized boxes. Whether you're separating premium handloads from factory ammo, staging specific cartridges for a hunt, or simply keeping ammunition organized in a range bag or truck, the J-20 delivers durable, no-nonsense storage that won't degrade over time. The slip-top design allows fast access when you need it.

Shooters and hunters trust MTM Case-Gard ammo boxes because they actually hold up—no cracking in cold weather, no warping from humidity swings, and no degradation from impact or rough handling. If you spend time afield or at the range, a few of these tucked into a pack or vest pocket is smart, lightweight insurance for keeping ammunition organized and protected wherever you shoot.

Key Features

• 20-round capacity—fits easily in shirt or jacket pockets
• Polypropylene construction resists warping, cracking, and environmental stress
• Multi-caliber design works with various rifle cartridges
• Clear red plastic lets you see contents and inventory at a glance
• Slip-top closure for fast, secure access
• Lightweight and portable for hunting, range trips, and storage

Specifications

Frequently Asked Questions

Will this ammo box fit different rifle calibers?

Yes. The MTM J-20 is designed as a multi-caliber box, so it works with various rifle cartridges. That said, capacity and fit vary depending on the specific round you're storing—some larger magnum cartridges may load differently than standard rifle rounds.

Can I take this ammo box hunting?

Absolutely. The compact size and slip-top design make it ideal for hunters. It fits easily into a pocket or pack, so you can carry a separate load or backup ammunition on a hunt without the bulk of a full-size ammo can.

Will the plastic warp or crack over time?

No. MTM Case-Gard boxes are made from polypropylene that resists warping, cracking, chipping, and expansion or contraction from temperature and humidity changes. They're built to last through years of field use and storage.

What comes in the box?

You receive the MTM J-20 ammo box. Ammunition is not included.