vintage pistol 3d model

low poly vintage semi-automatic pistol, early 20th century style, inspired by classic Colt design, matte dark metal, worn finish, subtle scratches and grime, slightly aged look, simple angular shapes, minimal geometry, clean topology, game-ready mesh for Roblox, optimized under 3000 triangles, no moving parts required, centered pivot, isolated object, realistic proportions but simplified, no engravings, no logos, no accessories