MSR-15 Enhanced Lower Parts Kit

Included in the kit:

1. 45/90 Safety Selector
2. Bolt Catch
3. Enhanced Takedown Pin
4. Stainless Steel Takedown Detent
5. Takedown Detent Spring
6. Enhanced Pivot Pin
7. Stainless Steel Pivot Detent
8. Pivot Detent Spring
9. Stainless Steel Anti-walk Trigger Pin
10. Stainless Steel Anti-walk Hammer Pin
11. Stainless Steel Buffer
12. Retainer Magazine Catch
13. Magazine Catch Spring
14. Enhanced Slant Magazine Release Button
15. Stainless Steel Bolt Catch Detent
16. Stainless Steel Safety Selector Detent 
17. Bolt Catch Roll Pin
18. Bolt Catch Spring
19. Buffer Retainer Spring
20. Selector Detent Spring
21. Hex Keys for Anti-walk Pins
22. Torx for Safety Selector
23. #4009 Original ERGO Grip with GAPPER®
24. Socket Head Cap Screw ¼-28×1”
25. External Tooth Washer ¼”