3D Model: A Futuristic, High-tech Assault Rifle Built For Surviving A Zombie Apocalypse. The Gun Features Sleek, Matte-black And Metallic Surfaces With Glowing Neon Blue Or Red Energy Lines Running Along The Body. It Includes Advanced Components Like A Digital Ammo Counter, Holographic Sight, And An Underbarrel Energy Blade Or Flamethrower. The Weapon Shows Signs Of Use — Scratched Metal, Dried Blood Splatter, And Worn Grips. Attached On The Side Are Survival Tools Like A Flashlight, A Syringe Pack, And A Retractable Combat Knife. The Design Balances Sci-fi Elegance With Gritty Realism, Blending Advanced Tech With The Harsh Brutality Of Post-apocalyptic Survival. The Gun Is Isolated Against A Blank Or Transparent Background.