SN: HC21864. Modern production, 7.62x51mm with a 16″ barrel. Bore is excellent. Belgian made tactical rifle with a Trijicon 6×48 ACOG w/amber chevron reticle, Kinetic Development Group MREX MKII rail, Geissele trigger, adjustable gas block, reciprocating charging handle, and an upgraded precision style stock. Excellent condition overall. Comes with a Gun Guard hard case, oem stock, and 4 extra magazines.