What pieces do I need for a complete build?

The following is a list of pieces you will need for a complete build:

• Stripped Lower Receiver

• Upper Receiver

• Lower Receiver Parts Kit (*)

• Bolt Assembly

• Charging Handle

• Gas Tube & Gas Tube Roll Pin

• Delta Ring Assembly

• Barrel with Barrel Nut

• Handguard

• Stock Assembly with Buffer Spring and Buffer

• Sight, Optic, or other aiming device if your upper does not include one

(*) Lower Receiver Parts Kit Expanded • Trigger Guard • Disconnector • Trigger • Bolt Catch • Magazine Catch Button • Magazine Catch • Hammer • Selector • Trigger and Hammer Pins • Takedown and Pivot Detent Springs • Selector Spring • Bolt Catch Spring • Buffer Retaining Spring • Disconnector Spring • Magazine Catch Spring • Trigger Spring • Hammer Spring • Pistol Grip Lock Washer & Screw • Takedown Pin • Pivot Pin • Bolt Catch Roll Pin • Trigger Guard Roll Pin • Buffer Retainer • Bolt Catch Buffer • Selector Detent • Takedown and Pivot Detents