Are you out of bullets? Here is some ammunition... :-)

Caliber: 7.62 x 51 mm

Types: 

1. default
2. red
3. green

more to come...

Rendered with Blender 2.90 Eevee.

Textures made with Substance Painter in 2048*2048.

Vertices: 304 (without subsurf)

Subsurf: Lv2

Included: 

• Blend file with UV-unwrapped model, arranged setup and animation
• Bullet mesh as STL (low poly and high poly)
• PBR textures (UV-mapped) for types delault, red, green (all in .png)
  • Color map
  • Height map
  • Metallic map
  • Normal map
  • Roughness map
• Picture and video material

The low poly model is suitable for game developement or with the subsurf modifier for animations or pictures.

(Also have a look at my other useful products here at Blender Market...)