The CMMG upper pin and spring kit is perfect to replace worn out components or have a few spares on hand. Everyone knows that terrible feeling of seeing a pin/spring drop or fly across the room. With this kit you'll avoid that feeling and be prepared to get your rifle back up and running. CMMG manufactures quality parts that you can trust.

Manufacturer Number: 55AFF2F
All Parts Meet or Exceed Mil-Spec.

Includes:
Front Sight Detent
Front Sight Spring
Forward Assist Spring
Extractor Spring with Buffer
Extractor Pin
Ejector
Ejector Spring
Ejector Roll Pin