m4a4 rifle, m4a1-s rifle, Counter-Strike: Global Offensive, FPS game, detailed textures, realistic materials, gunmetal finish, tactical accessories, red dot sight, suppressor on m4a1-s, side-by-side comparison, in-game environment, dust2 map, B site, CT (Counter-Terrorist) spawn, action pose, reloading animation, shell casing ejection, dynamic lighting, high-resolution models, smoke grenade effect, strategic positioning, intense firefight, competitive gaming scene, e-sports, 3/4 view, dramatic shadows, ambient occlusion, high-poly count, digital art, concept design.