When you drop a pin or pop a spring off into the distance, the Oops Kit has your back.
Features and Specifications:
Manufacturer Number: A.8.10.0057

Includes:
Four Takedown/Pivot Springs
Two Safety/Ejector Springs
Two Buffer Retainers
Two Buffer Retainer Springs
Three Takedown/Pivot Detents
Two Safety Detents
One Bolt Extractor Spring
Two Firing Pin Retaining Cotter Pins