BudsGunShop.com - Material - Metal or plastic?

Plastic see ***
There's no better way to store and protect bulk ammo than with MTM ammo boxes sealed tight inside an MTM ammo can. The ammunition can is******** made of impact-resistant polypropylene plastic and comes with a water-resistant O-Ring seal, four cartridge boxes and labels to help you stay organized.
Each cartridge box holds 100 rounds so you can mix and match your bullets as necessary to securely store up to 400 rounds. The ammo can features a heavy-duty latching system and is also tabbed for padlocks.
Features and Specifications:
Manufacturer Number: ACC223
AC50 Ammunition Can
Color: Dark Brown Earth
Ammo Can Inner Dimensions: 5.8"L x 11.0"W x 7.2"H
Ammo Can Outer Dimensions: 7.4"L x 13.5"W x 8.5"H
Water-Resistant O-Ring Seal
4 RS-100 Cartridge Boxes, Tactical Black (Holds 400 Total Rounds)
Self-Adhesive Exterior Cartridge Box Labels
Interior Cartridge Load Information Labels
Made In The USA

Hi Jack, Polypropylene plastic, Water-resistant, Lockable, Stackable
Stay safe & have a great day!

Hi Jack and welcome. It is made of tough and durable polypropylene plastic. It also has o-ring seals to waterproof. Cheers, stay safe and enjoy! if you want metal then : budsgunshop.com/product_info.php/products_id/411561258/2+pc.+metal+ammo+can+set

Polypropylene plastic