Cal. .30 Carbines M1, M1A1, M2, and M3 Rifles TM 9-1276

This technical manual is organized as follows:


Section I. Introduction 

1. Scope 

2. Characteristics 

3. Difference Between Models 

4. Description of Adjustable Rear Sight Assemblies 

5. Description of Cartridge 

6. Data 

7. Forms and Records 


Section II. Inspection Prior to Disassembly 

8. General 

9. Purpose 

10. Reports 

11. Inspection — General Condition, Operation, and Functioning 

12. Operating Inspection, Carbines, cal. .30, M2 and M3 

13. Trigger Pull 

14. Barrel and Receiver Group 

15. Headspace Gauging 

16. Magazine 

17. Adjustable Rear Sight Assembly 


Section III. Tools, Gauges, and Fixtures 

18. General 

19. Special Tools 


Section IV. General Maintenance 

20. Scope 

21. Allocation of Maintenance Responsibilities 

22. General Methods 

23. Removal of Rust 

24. Removal of Burs from Screw Heads and Working Surfaces 

25. Inspection and Replacement of Springs 

26. Testing Carbine After Assembly 

27. Cleaning and Rust Prevention 

28. Rust Preventives and Cleaning Materials 

29. Storage and Shipping 


Section V. Trigger Housing Group 

30. Disassembly 

31. Inspection 

32. Inspection — Carbine, Cal. .30, M2, and M3 

33. Maintenance and Repair 

34. Functional Check 


Section VI. Operating Slide Assembly 

35. Inspection 

36. Maintenance and Repair 

37. Functional Check 


Section VII. Bolt Group 

38. Disassembly (fig. 30). 

39. Inspection 

40. Assembling 

41. Functional Check 


Section VIII. Front Sight Assembly 

42. Disassembly 

43. Inspection 

44. Maintenance and Repair 

45. Assembly 


Section IX. Rear Sight Assembly 

46. Disassembly 

47. Inspection 

48. Maintenance and Repair 

49. Assembling 


Section X. Barrel and Receiver Group 

50. Disassembly (fig. 43). 

51. Inspection 

52. Maintenance and Repair 

53. Assembling 


Section XI. Stock Group 

54. Disassembly 

55. Inspection 

56. Maintenance and Repair 

57. Assembly 


Section XII. Magazine Assembly 

58. Disassembly 

59. Inspection (figs. 68 and 69). 

60. Assembly 


Section XIII. Equipment 

61. Sling (M1, M1A1, and M2) 

62. Oiler (except M1A1) 

63. M4 Bayonet Knife 

64. M8A1 Scabbard 


Section XIV. Function Firing and Final Inspection 

65. General 

66. Function Firing 

67. Final Inspection