Description: 1. Shot Hold-Open Function: Automatically switches to shot hold-open mode when out of ammunition, simulating realistic firearm operation. 2.Cool Ejection Effect: After each shot, spent cartridge cases are automatically chambered and ejected, enhancing realism. 3.Roll-Up Technology: Built-in roll-up design increases stability and accuracy during firing. 4.Metal Parts: Metal barrel, metal front iron sights, metal slide, metal quick-release button, metal magazine cover, metal feeder, metal trigger, metal bolt hold-open device, metal rear iron sights, metal rear cover, metal release button, metal weight block, metal magazine. Features: 1. Bolt hold-open device, one-button ejection 2. Bottom feed magazine, one-button quick-release 3. Firing mode: Manual 4. Range: 15 meters+ 5. Material: Metal + Nylon 6. Size: 20 cm Packing List: 1*TP9 toy gun 1*Heavy magazine 24*Soft bullets 16*Plastic shells 8*Metal shells