A twin mounted machine gun: two finned barrel receivers side by side in one cradle on a pintle, with an ammunition box each side, a shared ring sight and spade grips. Dimensions 0.371 x 0.461 x 0.972 m (X x Y x Z). Origin at the centre of the pintle base, resting on y = 0; metre units, +Y up, muzzle and point toward +Z. Connectors: muzzle muzzle at (0, 0.34, 0.486) facing +Z. Static mount: the cradle trunnions, the traverse gear, the feed and the trigger linkage are modelled and left still. Static geometry: no rig or animation. Blued gunmetal, bright machined steel, dark anodised alloy, black and dark earth polymer, rubber, walnut, brass, copper, leather, olive paint, optical glass, concrete and emissive red, green and warm white for reticles, lasers, tritium and lamps. Physically based flat colours with no texture maps. Original invented design: no real make, model, manufacturer or marking is represented. Free 3D model for Unity, Godot, Unreal, three.js and Blender. No collision or navigation data.