military rifle, 762 caliber, matte black finish, textured grip, tactical rail system, adjustable stock, iron sights, muzzle flash, soldier in camouflage uniform, prone position, aiming down sights, forest environment, misty morning, diffused sunlight, 3/4 view, detailed foliage, realistic, high-resolution texture, action scene, intense expression, dynamic composition, ambient lighting, depth of field.