This is a 1919a4 parts kit (Izzy, 308cal)this kit is complete minus the semi auto trigger and sear. The internals have been machined for semi only. An 80% RSP is included ( not warped ). Also, a few sets of rivets,the rivet bucking bar,Counter sink bit, assorted drill bits, and a rivet setting attatchment for an air hammer is included. Nathan at JNC Manufacturing did the machine work. $850.00 FTF, OBO George.