This is the Complete Bolt Assembly from our popular 7.62 x 39mm rifles. It is machined from Carpenter 158 steel to exacting tolerances, and finished in Black Phosphate. It includes the Extractor, Ejector and Gas Rings – all completely assembled and ready to insert in your Carrier. Note that it has 3 Rings machined into it’s body to differentiate it from similar .223/5.56mm Bolts. You’ll also note the larger bolt face that accommodates the 7.62x39mm cartridge base. Buy this as a spare or a replacement for a worn Bolt.