Gun's
World
Astra 400 Parts
| 1. Barrel Bushing Lock | 12. Barrel | 23. Grip Safety Spring | 34. Trigger Bar Pin |
| 2. Barrel Bushing | 13. Hammer | 24. Magazine Catch | 35. Trigger Bar |
| 3. Recoil Spring | 14. Sear | 25. Grip Safety Pin | 36. Trigger Bar Spring |
| 4. Slide | 15. Sear Spring | 26. Magazine Catch Stop | 37. Spring Plunger |
| 5. Extractor | 16. Safety Catch Detent | 27. Hammer Plunger | 38. Safety Catch |
| 6. Extractor Spring | 17. Detent Spring | 28. Hammer Spring | 39. Magazine Safety Pin |
| 7. Firing Pin Retainer Pin | 18. Slide Stop | 29. Magazine Catch Plunger | 40. Magazine Safety Spring |
| 8. Extractor Retainer Pin | 19. Slide Stop Spring | 30. Magazine | 41. Magazine Safety |
| 9. Firing Pin Spring | 20. Hammer Pin | 31. Frame | 42. Left Grip |
| 10. Firing Pin | 21. Right Grip | 32. Trigger Pin | 43. Grip Screws (4) |
| 11. Firing Pin Extension | 22. Grip Safety | 33. Trigger |