CQBR assault rifle, Resident Evil 4, 5.56mm ammunition, tactical reload, matte black finish, Picatinny rail, red dot sight, vertical foregrip, suppressor, worn texture, military-grade, close-quarters combat, dimly lit room, scattered ammo boxes, zombie apocalypse setting, intense action pose, green laser sight, partial view, dramatic lighting, high contrast, detailed metal surface, realistic, gritty atmosphere, survival horror theme.