This rivet set contains all the rivets necessary to assemble an AK-47 AKM rifle. FeaturesThese rivets have the original size headsLongest rivet for rear trunnionNext shorter rivet with a swell in the neck is for the upper front trunnionNext shorter rivet with a swell in the neck is for the front or rear trunnion (countersunk holes use swell neck rivets)Short non-swell neck rivet is for the flat front trunnion holes, front four rivets on the trigger guard, rear rivet on the trigger guard if using a reinforcement plateShortest rivet is for the rear of the trigger guard