We have for sale FN MAG 58 Machine Gun Parts kit, 7.62 NATO, serial number 381. This parts kit is in good condition. This FN MAG kit is mostly complete minus the right side plate, barrel and buttstock wood. The left side plate of the receiver features the Cuban crest that reads “Ejercito De Cuba” and a FN Herstal BELGIQUE mark. The bolt, carrier, and piston assembly are in good condition and complete. Please note there is a small dent in the lower frame at the second rivet whole ejection port area.