Lighting apparatus housing

A housing for a lighting apparatus, the housing having a housing body comprising a light beam channel for the passage of light from a light source through the housing to a mouth, the light beam channel being defined by an internal surface of the housing body, the housing having a light source or a light source mount within the light beam channel, wherein the housing body has a front portion proximal to the mouth and a back portion distal from the mouth and, formed integrally with the housing body and disposed at a back portion of the housing body, a heat transfer region, wherein at least a portion of the housing body is formed of forged metal, wherein the housing body comprises a core body member and a shell body member, wherein the core body member comprises the light beam channel, which light beam channel is defined by an internal surface of the core body member, and a light source or light source mount within the light beam channel and wherein the core body member comprises a core heat transfer region and wherein the shell body member comprises an aperture for securely receiving the core body member and comprises a shell heat transfer region.