They are not military surplus.
AC30T - Ammo Can 30 Caliber - Tall
Las mejores ofertas en Otros equipos de campo y personales militares excedentes de colección
MILITARY AMMO BOX Heavy Black Pelican Plastic 25mm Linked 30
Frankford Arsenal Hinge-Top Ammo Box #1001 with True Mechanical Hinge for Ammunition Storage and Organization, Holds 100 Rounds, black : Sports & Outdoors
Pelican TX50 Adventure Case - Black
Ammo Box for sale
EMPTY AMMO BOX Mtm Case-Gard Ammo Can Ac45 Storage Box Tool Box Field Box Green £20.50 - PicClick UK
MILITARY AMMO BOX Heavy Black Pelican Plastic 25mm Linked 30 Cartridges Empty $15.00 - PicClick
5.56×45mm NATO - Wikipedia