Primary Korean War era USMC M3 night time eyesight scope The M3 carbine was an M2 carbine equipped which has a mount created to settle for an infrared sight for use during the night time. It was originally made use of with the M1 sniperscope, and an Lively infrared sight, https://shanepdscm.wikipowell.com/6226243/not_known_factual_statements_about_hi_point_carbine