Stumbled upon these custom Turok action figures, hit-and-miss but creative and charming in their own way! See more here:https://www.figurerealm.com/customfigure?ns=10&action=series&id=676
Nice! Is this the one you mean? (click to zoom)For a second there i thought you meant someone made a full scale real one with a flip out long barrel! But the intricate detail and the scale of this action figure version is incredible and delicate. Source: https://www.deviantart.com/kramwartap/gallery