sci-fi soldier 3d model

3D model of a sci-fi special forces soldier, heavy tactical armor covering chest back shoulders arms and legs — segmented hard plates over a dark underlayer suit, full enclosed tactical helmet with visor, integrated HUD elements on helmet sides, breathing filter or rebreather on lower face, kneepads and elbow guards, utility belt with pouches and grenades, holding a sci-fi assault rifle — bulky and angular with scope and underbarrel attachment, aggressive combat ready stance, boots with magnetic grip plates, shoulder mounted light or camera unit, armor color — dark charcoal black with deep navy accents and subtle orange warning stripes, worn and battle-used surface with scratches and dirt, game-ready PBR asset, clean topology, realistic proportions, Marmoset Toolbag render, 4k textures, sci-fi military aesthetic — Halo meets Dead Space meets XCOM style