5.56 Inert Round Brass

5.45x39 - Snap Caps Dummy Rounds - INERT

Matrix 5.56X45mm Plastic Dummy Cartridge Belt (Type: 25 Round Pack) - Hero Outdoors

Chain of 25 5.56 Inert Rounds - Authentic Antique Arms

5.56 Dummy Rounds, by Hannah Rodriguez, Mar, 2024

.223/5.56 Action Trainer Dummy Round - 10 Rounds

Equipment - Ammunition, Linked 5.56mm inert (fired blank rounds)

Bullet Belt 5.56 mm - Brass Casing & Black Links - Hero Outdoors

What are 5.56 bullets made of? - Quora

INERT 5.56mm/.223 FMJ Round - DWSUK

Dummy Rounds Collection - eHobbyAsia Airsoft

5.56 Minimi inert belt x 50 rounds (nickle cases) - Saracen Exports

6 Dummy Trainer NATO 5.56x45 and .223 Remington Ammo Rounds - $9.95 : Cool F/X, stuff that's too cool