modern assault rifle 3d model

Realistic 3D sci-fi automatic rifle, modern futuristic assault weapon, tactical design, detailed hard surface modeling, metallic and matte black materials, subtle wear and edge highlights, compact reinforced barrel, ergonomic grip, modular rail system, integrated digital ammo counter, high detail PBR textures, realistic proportions, game-ready asset, clean topology, under 25k triangles, separate moving parts, white studio background, high resolution render, no text