MTM Case-Gard RM5010 Flip-Top Ammo Box - 50rd, Green Polypropylene for 308 Win, 220 Swift, 243 Win

The MTM Case-Gard RM5010 flip-top ammo box is a workhorse 50-round rifle ammunition storage solution built to last. Whether you're a precision rifle shooter, a hunter stocking loads for .308 Win, .243 Win, .220 Swift, or one of dozens of other centerfire calibers, this green polypropylene case keeps your rounds organized and protected through years of range trips, field seasons, and reloading sessions. MTM designed these boxes from the ground up for shooters who demand durability and reliability without the markup.

Built from impact-resistant polypropylene, the RM5010 won't warp, crack, chip, or peel — conditions that can plague cheaper plastic boxes stored in vehicles, gun safes, or garage shelves. The mechanical hinge is engineered to withstand decades of daily use and comes backed by a 25-year guarantee. A snap-lock latch secures the lid firmly enough to prevent accidental spills during transport or storage, but operates smoothly when you need access to your ammo. The textured exterior grip makes the box easier to handle on the bench or in the field, and resists the scratches that reveal wear over time.

Each compartment cradles a single round, keeping cartridges from rolling and your loads from shifting during storage or transport. The box ships with a load label where you can record your powder charge, bullet weight, primer type, and sight data — invaluable if you're fine-tuning loads or returning to a proven recipe months later. Made in the USA in MTM's Dayton, Ohio facility, the Case-Gard line has earned the trust of benchrest competitors, hunters, and serious shooters since the original design debuted in the late 1960s.

Key Features

• 50-round capacity with individual compartments for each cartridge
• Durable polypropylene construction resists warping, cracking, and peeling
• Mechanical hinge backed by 25-year guarantee
• Snap-lock latch prevents accidental spilling
• Textured finish for improved grip and scratch resistance
• Includes load label for recording powder, bullet, and sight data
• Made in USA (Dayton, Ohio)
• Fits .220 Swift, .243 Win, .308 Win, and 40+ other centerfire calibers

Specifications

Frequently Asked Questions

What calibers does the MTM RM5010 ammo box fit?

The RM5010 accommodates .220 Swift, .243 Win, .308 Win, and is designed to hold a wide range of centerfire rifle cartridges including .300 Savage, .338 RCM, .25 Remington, .32 Remington, 6mm Remington, 6.5 Creedmoor, 7mm-08 Remington, and numerous others. Check MTM's ammo box compatibility chart if you're unsure about a specific round.

Is the MTM Case-Gard box durable for long-term storage?

Yes. The polypropylene construction will not warp, crack, chip, peel, expand, or contract, making it reliable for both short-term range trips and long-term storage in safes, vehicles, or shelves. The mechanical hinge is guaranteed for 25 years of normal use.

What's included with the ammo box?

Each RM5010 comes with a load label affixed to the interior for recording your powder charge, bullet weight, primer, and sight data — helpful when you're developing loads or need to reference proven recipes later.

How does the snap-lock latch work?

The snap-lock latch secures the flip-top lid firmly in place to prevent accidental spills during transport or storage, while remaining easy to open and close when you need to access your ammunition.