The X-RING Maintenance kit includes everything you need to re-tune your X-RING bolt and recoil system. The included items are suitable for both current and previous bolt design generations. If your bolt is from a GEN 2 X-RING or X-RING TD, use the longer 1/2" Stop Pin. Additionally, use the 1/2" Firing Pin Stop Pin if your bolt is engraved with a "Z" on the left hand side, bottom rear corner. If your bolt is not a GEN 2 or "Z" Marked, use the 3/8" Firing Pin Stop Pin.
Includes:
- 1 Plug O-Ring
- 1 Firing Pin Stop Pin
- 1 Firing Pin Spring
- 1 Extractor Spring
- 2 Recoil Springs
- 1 Buffer
- 1 Extractor
- 1 Extractor Plunger
- 1 Firing Pin
- 1 "Pre-Z" Firing Stop Pin
