pump-action riot gun, Resident Evil 4, detailed metal texture, wooden stock, worn-out look, realistic, 3D model, close-up, ambient occlusion, high-resolution, gun barrel, trigger mechanism, shotgun shells, side view, tactical design, video game weapon, dimly lit environment, concrete wall background, rust and scratches, intense shadows, dramatic lighting, action scene, survival horror atmosphere, metallic sheen, sturdy structure.