Lower parts kit includes:

• Pistol Grip
• Trigger
• Hammer
• Disconnector
• Selector
• Bolt Catch Spring
• Detent Spring
• Bolt Catch Buffer
• Take Down Detent
• Bolt Catch
• Magazine Catch Spring
• Bolt Catch Roll Pin
• Magazine Catch Button
• Magazine Catch
• Front Pivot Pin
• Hammer Spring
• Trigger Spring
• Pistol Grip Screw
• Pistol Grip Lock Washer
• Selector Spring
• Detent Selector
• Hammer Pin
• Trigger Pin
• Take Down Pin
• Buffer Retainer Pin
• Buffer Retainer Spring
• Disconnector Spring

 Parts usually ship out in 2-3 days