Aero Precision, Lower Parts Kit, Includes Takedown/Pivot Spring, Takedown/Pivot Detent, Takedown Pin, Pivot Pin, Bolt Catch, Bolt Catch Spring, Bolt Catch Buffer, Bolt Catch Roll Pin, Safety Selector, Safety Selector Spring, Safety Selector Detent, 4-40 Set Screw, Buffer Retainer, Buffer Retainer Spring, Magazine Catch Body, Magazine Catch Spring, and Magazine Catch Button, Does Not Include the Fire Control Group, Pistol Grip or Trigger Guard
- Takedown/pivot Spring
- Takedown/pivot detent
- Takedown pin
- Pivot pin
- Bolt Catch
- Bolt Catch Spring
- Bolt Catch buffer
- Bolt catch roll pin
- Safety Selector
- Safety Selector spring
- Safety Selector detent
- 4-40 Set Screw (for threaded takedown pin detent hole)
- Buffer retainer
- Buffer retainer spring
- Magazine catch body
- Magazine catch spring
- Magazine catch button