This kit comes with:

Grip, Grip Screw Washer, Grip Screw, Bolt Catch, Bolt Catch Plunger, Bolt Catch Spring, Bolt Catch Roll Pin, Mag Release, Mag Release Button, Mag Release Spring, Buffer Retainer Spring, Safety, Buffer Retainer, Safety Detent Spring, Safety Detent, Trigger Guard, Trigger Guard Roll Pin, Takedown Detent Springs,Takedown Detents,Takedown Pins 

Link to parts manufacturer