Standard Lower Parts Kit

Geissele Standard Lower Parts Kit - Mil-Spec

The Geissele Standard Lower Parts Kit contains all the internal parts needed to complete or modify your lower receiver. This high-quality Mil-Spec kit features an improved safety detent and our specially developed Posi-Lock safety, which provides the end user with satisfying and positive tactile feedback when engaging the safety or fire position.

1. Takedown pins and pivot locks (2)

2. Takedown pins and pivot spring assemblies (2)

3. Takedown pivot pins

4. Bolt locking lug

5. Bolt catch spring

6. Bolt catch tension pin

7. Mil-Spec bolt catch

8. Safety detent

9. Buffer mount

10. Buffer retention spring

11. Safety detent spring

12. Takedown pin

13. Magazine release button

14. Magazine release spring

15. Geissele Posi-Lock safety

16. Magazine catch

17. Trigger guard spring

18. Mil-Spec trigger guard