Description Japanese Type 99 Light Machine Gun sight. Brass case with a worn black finish. Top case marked: 2850 2.5×13 Toko No 3617 J.E.S. Optic goes out on each side to read 40 making this for the Type 99 not the 96. Ships to buyers homes. Condition: Fair with finish wear/loss, missing rubber eye piece, scratches, light rust/pitting. The optic is clear with dust inside optic. Serial: 3617 Manufacturer: Japan Model: Type 99 Machine Gun Sight