2. ORGANIZATIONAL MAINTENANCE OF THE M242

3. TERMINAL LEARNING OBJECTIVE
ACTION: CONDUCT ORGANIZATIONAL MAINTENANCE ON THE M MM CHAIN GUN.
CONDITION: IN A CLASSROOM ENVIRONMENT, GIVEN A TM &P, M MM STUDENT HANDOUTS AND A M MM GUN WITH STAND AND TOOLS.
STANDARD: STUDENT MUST ACHIEVE A MINIMUM OF 80% ON BOTH WRITTEN EXAMS (OB/CB) AND RECEIVE A GO ON THE HANDS ON EVALUATION.

4. SAFETY Watches and rings removed(taped)
Watch out for gun stands while walking
No sleeping in class
Use caution when using the tools and cutting lacing wire.

5. Risk Assessment Classroom Environment Adequate Rest
Heat and Cold are no factors
Instructor experience extensive
Complexity of task is minimal
Only hazard is heavy equipment in classroom
Combat lifesaver on site
Risk is low

6. Environmental Considerations
Dispose of wiping rags, drink containers and used paper in accordance with local recycling regulations.

7. REFERENCES TM 9-1005-200-23&P (JUNE 2001) M242 25-MM STUDENT HAND OUT
BLANK DA FORM

8. TERMINAL LEARNING OBJECTIVE
ACTION: CONDUCT ORGANIZATIONAL MAINTENANCE ON THE M MM CHAIN GUN.
CONDITION: IN A CLASSROOM ENVIRONMENT, GIVEN A TM &P, M MM STUDENT HANDOUTS AND A M MM GUN WITH STAND AND TOOLS.
STANDARD: STUDENT MUST ACHIEVE A MINIMUM OF 80% ON BOTH WRITTEN EXAMS (OB/CB) AND RECEIVE A GO ON THE HANDS ON EVALUATION.

9. ENABLING LEARNING OBJECTIVE A
ACTION: DEFINE THE CHARACTERISTICS AND CAPIBILITIES OF THE M MM CHAIN GUN.
CONDITION: IN A CLASSROOM ENVIRONMENT, GIVEN A M MM GUN, TM &P, A M MM STUDENT HANDOUT AND A M242 GUN STAND WITH TOOLS.
STANDARD: THE STUDENT MUST CORRECTLY DEFINE ALL OF THE CHARACTERISTICS AND CAPABILITIES OF THE M MM CHAIN GUN, IAW TM &P AND THE M MM STUDENT HAND OUTS.

10. 1.0hp 24vdciiii

11. M242, 25-MM, AUTOMATIC
CHAIN GUN

12. M242, 25-MM AUTOMATIC GUN 1. AUTOMATIC GUN FEEDER ASSEMBLY
2. AUTOMATIC GUN RECEIVER ASSEMBLY
3. BARREL ASSEMBLY

13. BARREL ASSEMBLY COUNTERS SOME EXPLOSIVE RECOIL FORCE
HELPS CONTAIN EXPLOSIVE FORCE

14. BARREL ASSEMBLY
Old Configuration
NSN CHG
New Configuration

15. BARREL ASSEMBLY 1 5 4 3 2 2. 25-MM BARREL 3. ROUND PLAIN NUT
1. COTTER PIN
MM BARREL
5. MUZZLE BRAKE 5 4 3 2
2. 25-MM BARREL
3. ROUND PLAIN NUT
4. MACHINE KEY
5. MUZZLE BRAKE

16. BARREL ASSEMBLY
RIBBED BARREL ASSY HAS TWO TYPES OF INTERNAL FINISHES, NITRIDE AND CHROME. EITHER TYPE IS USABLE ON THE STANDARD GUN, THE CHROME BARREL ASSY IS REQUIRED ON THE ENHANCED GUN. NON-RIBBED BARREL ASSY IS ONLY USED ON THE STANDARD GUN.
AVERAGE PERFORMANCE LEVELS:
STANDARD ROUND=4000 RDS (NSN)
RIBBED(NITRIDE)=5000 RDS
RIBBED(CHROME)=7000 RDS
*ALL AP (M919 OR M791)= 3000 RDS
STD-$ ENH-$8297

17. BARREL EROSION GAGE INSPECTION FOR EROSION IS THE SAME FOR
EROSION GAGE ROD
GAGE HEAD
INSPECTION FOR EROSION IS THE SAME FOR
ALL BARREL CONFIGURATIONS. (WP )

18. (AGI) SYSTEM BG 10 MEASUREMENTS ARE TAKEN AT 16 PRE-
DETERMINED POSITIONS ALONG THE
BARREL ASSY AND THE VALUES STORED IN ITS ELECTRONICS UNIT. AT EACH POSITION THE MEASUREMENT IS AUTOMATICALLY COMPARED TO PRE-STORED WARNING /REJECTION LIMITS OF WEAR. THE PROCESS TAKES LESS THAN THREE MINUTES PER BARREL ASSY AND MAY BE ACHIEVED WITH THE BARREL INSTALLED.
ALL DATA THAT IS STORED DURING THE MEASUREMENTS IN THE NONVOLATILE SYSTEM OF THE BG10 MEMORY MAY BE SUBSEQUENTLY DOWN-LOADED VIA THE INTEGRAL RS232 SERIAL PORT TO A PERSONAL COMPUTER.

19. ?

20. AUTOMATIC GUN FEEDER ASSEMBLY
FORWARD FEED SECTION

21. Forward Feed Section Subcomponents
Forward Feed Assembly
Upper Feed Sprocket Assembly
Lower Feed Sprocket Assembly
Round Positioner Assembly
Feeder Assembly Rotor
Ejection Chute

22. AUTOMATIC GUN FEEDER ASSEMBLY
1. SOCKET HEAD CAP SCREW
2. MOUNTING BRACKET
3. RIGHT CONNECTING LINK
4. FEEDER STAND-OFF
5. LINK SHIELD
6. SMALL CARTRIDGE GUIDE
7. SOCKET HEAD CAP SCREW
8. RIGHT CONNECTING LINK
9. MOUNTING BRACKET
10. SOCKET HEAD CAP SCREW
11. FORWARD FEED ASSEMBLY
12. NUT, SELF LOCKING, HEAD
13. SLEEVE SPACER
14. SPECIAL SPRING
15. FORWARD FEEDER GATE

23. AUTOMATIC GUN FEEDER ASSEMBLY
16. ROUND POSITIONER ASSY
17. UPPER FEED SPROCKET ASSY
18. LOWER FEED SPROCKET ASSY
19. SOCKET HEAD CAP SCREW
20. EJECTION CHUTE
21. SOCKET HEAD CAP SCREW
16. ROUND POSITIONER ASSEMBLY
17. UPPER FEED SPROCKET ASSEMBLY
18. LOWER FEED SPROCKET ASSEMBLY
19. SOCKET HEAD CAP SCREW
20. EJECTION CHUTE

24. AUTOMATIC GUN FEEDER ASSEMBLY
21. FEEDER ASSEMBLY ROTOR
22. STEPPED SPACER
23. RIGHT CONNECTING LINK
24. FEEDER DRIVE ASSEMBLY
25. RIGHT CONNECTING LINK
26. UPPER CARTRIDGE GUIDE

25. AUTOMATIC GUN FEEDER ASSEMBLY
1. UPPER SPUR GEAR
2. UPPER SLIDING SLEEVE CLUTCH
3. UPPER SHOULDERED SHAFT
4. CLUTCH YOKE ASSEMBLY
5. WORM WHEEL GEAR
6. LOWER SHOULDERED SHAFT
7. LOWER SLIDING SLEEVE CLUTCH
8. LOWER SPUR GEAR
9. PLATE ASSEMBLY REAR FEEDER
10. SCREW CAP SOCKET HEAD
11. GEAR CLUTCH ASSEMBLY

26. AUTOMATIC GUN FEEDER DRIVE ASSEMBLY
12. SOCKET HEAD CAP SCREW
13. ELECTRICAL FEED SELECT SOLENOID
14. BODY ASSEMBLY SOLENOID
15. SOLENOID CABLE CONNECTOR
16. MACHINE SCREW
17. BUSHING CAM ASSEMBLY
18. COMPRESSED HELICAL SPRING
19. BUSHING BRACKET ASSEMBLY
20. SLEEVE SPACER
21. SELF LOCKING NUT
22. FLAT WASHER
23. FEEDER HANDLE
24. RETAINING RING
25. WORM SHAFT ASSEMBLY
26. FEEDER HANDLE LATCH
27. TIMER ROD
28. LATCH, PIVOT PIN
29. FEED SHAFT STOP ASSEMBLY
30. ACTUATOR
31. FORK SHAFT ASSEMBLY

27. AUTOMATIC GUN FEEDER ASSEMBLY
32. COVER ACCESS
33. LEVER TIMER
34. PAWL-SHAFT ASSEMBLY
35. INDEX DRIVE SHAFT
36. TIMING CAMS W/ ROTOR STUB
37. SOCKET HEAD CAP SCREW
38. INDEX DRIVE COVER
39. CONTROL CAM
40. RETAINING RING
41. BPI COVER
42. SOCKET HEAD CAP SCREW
43. MANUAL DRIVE HUB ASSEMBLY
44. FEEDER HOUSING
45. FEEDER DRIVE ASSEMBLY

28. AUTOMATIC GUN FEEDER ASSEMBLY
1. COTTER PIN
2. FLAT SPRING
3. POSITIONER,PLATE
4. HEADED STRAIGHT PIN
5. SLEEVE BUSHING
6. SOCKET HEAD CAP SCREW
7. FLAT WASHER
8. HEAD SELF LOCKING NUT

29. AUTOMATIC GUN FEEDER ASSEMBLY

30. AUTOMATIC GUN FEEDER ASSEMBLY

31. AUTOMATIC GUN RECEIVER ASSEMBLY

32. Receiver Assembly Subassemblies
Barrel Support Assembly
Recoil Mechanism
Breech Assembly
Sear Assembly
Sear Catch Assembly
Sear Retractor Assembly
Mechanical Safety Interlock System

33. Receiver Assembly Subassemblies
1.0 HP 24 VDC Motor Assembly
Handle Pin
Electrical Sear Solenoid
Riveted Receiver

34. AUTOMATIC GUN RECEIVER ASSEMBLY
1. COTTER PIN
2. HOUSING RECOIL CAP
3. HEADED STRAIGHT PIN
4. PERFORMED PACKING
5. 25-MM RECOIL MECHANISM
6. SOCKET HEAD CAP SCREW
7. RETAINING RING
8. MACHINE KEY
9. COTTER PIN
10. COMPRESSED HORIZONTAL SPRING
11. HEADED STRAIGHT PIN
12. BARREL LOCK PIN
13. DAMPER NUT
14. BREACH ASSEMBLY
15. SPRING PIN
16. BARREL SUPPORT ASSEMBLY

35. AUTOMATIC GUN RECEIVER ASSEMBLY
17. BOLT AND TRACK ASSEMBLY
18. RETAINING RING
19. SLEEVE BUSHING
20. ELECTRICAL SEAR SOLENOID
21. HEADED STRAIGHT PIN
22. SOCKET HEAD CAP SCREW
23. SEAR RELEASE LINK
24. STRAIGHT DRIVE SHAFT
25. SOCKET HEAD CAP SCREW
26. COVER ASSEMBLY
27. SEAR CATCH ASSEMBLY
28. SEAR ASSEMBLY

36. AUTOMATIC GUN RECEIVER ASSEMBLY
29. ROCKER ASSEMBLY
30. ROCKER
31. SPRING PIN
32. COMPRESSED HELICAL SPRING
33. ROCKER SPRING HOUSING
34. FORWARD CHAIN GUIDE
35. REAR CHAIN GUIDE
36. INTERLOCK CRANK
37. PUSH ROD EXTENSION
38. SEAR PUSH ROD
39. COMPRESSED HELICAL SPRING
40. OPERATING ROD ASSEMBLY
41. REAR TRACK
42. ROD ROCKER SUPPORT
43. SPRING PIN
44. HANDLE PIN
45. COMPRESSED HELICAL SPRING
46. SET SCREW
47. EXTERNALLY RELIEVED SCREW
48. SEAR RETRACTOR PIVOT
49. SEAR RETRACTOR ASSEMBLY
50. COMPRESSED HELICAL SPRING
51. LATCH BRACKET
52. SPRING TENSION WASHER
53. TRACK HOOK LATCH
54. HEADED SOCKET CAP SCREW

37. AUTOMATIC GUN RECEIVER ASSEMBLY
55. HANDLE STRAIGHT PIN
56. RIVETED RECEIVER
57. HEADED SOCKET CAP SCREW
HP, 24 VDC MOTOR ASSY
59. ANNULATING BALL BEARING
60. SMALL BEVEL GEAR
60. LARGE BEVEL GEAR
61. PREFORMED PACKING
62. CLUTCH ASSEMBLY
63. SHOULDERED CLUTCH SHAFT
64. TORSION SPIRAL SPRING 1
65. TORSION SPIRAL SPRING 2
66. HANDLE CLUTCH STRAIGHT PIN
67. SPUR CLUTCH GEAR SHAFT
68. SCREW THREADED INSERT
69. SOCKET HEAD CAP SCREW
70. HEAD SELF-LOCKING NUT
71. MECHANICAL HOUSING
72. SHOULDERED DRIVE SPROCKET SHAFT
73. ANNULATING BALL BEARING
74. GEAR CLUSTER
75. NEED ROLLER BEARING
76. SPUR ASSEMBLY GEAR
77. PLAIN INCASED SEAL

38. AUTOMATIC GUN RECEIVER ASSEMBLY

39. AUTOMATIC GUN RECEIVER ASSEMBLY

40. BOLT AND TRACK ASSEMBLY

41. BOLT AND TRACK ASSEMBLY
2. BOLT AND CARRIER
ASSEMBLY

42. BOLT AND CARRIER ASSEMBLY
1. BREECH BOLT
2. FIRING PIN, SLEEVE KEEPER
3. CAM PIN ASSEMBLY
4. CARRIER ASSEMBLY
5. FIRING PIN SLEEVE
6. FIRING PIN ASSEMBLY

43. FIRING PIN ASSEMBLY
Milled Flats
New Configuration
Old Configuration

44. TRACK ASSEMBLY 1. PREFORMED PACKING 2. SAFETY ACTUATOR PAWL
3. COMPRESSED HELICAL SPRING
4. SAFETY PAWL
5. FIRING PIN PAWL
6. HEADED STRAIGHT PIN
7. COMPRESSED HELICAL SPRING
8. ROUND PLAIN NUT
9. SPRING PIN
10. ROLLER CHAIN TRACK
11. SPROCKET WHEEL
12. ROLLER ASSEMBLY CHAIN
13. SPROCKET RETAINER
14. CLEVIS ASSEMBLY
15. SPRING PIN
16. MANUAL CONTROL HANDLE
17. COMPRESSED HELICAL SPRING
18. SPRING TENSION WASHER
19. SPROCKET SHAFT ASSEMBLY
20. SPROCKET WHEEL

45. ?

46. 25-MM EQUIPMENT DATA Caliber: 25-mm dual feed
Weight: Receiver Assy 90 lbs
Barrel Assy 95 lbs (Enh-107 lbs )
Feeder Assy 59 lbs

47. 25-MM EQUIPMENT DATA
Rate of fire: single shot,100,200 rds/pm
Time of rate: 0.15 sec, The delay from the time the gun receives the signal to start until mechanical actions begins to start.
Time to stop: 0.12 sec,The delay from the time the gun receives the signal to stop until mechanical actions begins to stop.

48. 25-MM EQUIPMENT DATA
Power required: 1.0 hp 24 vdc motor assy
Clearing method:(cook-off safe) open bolt
Safety: Absolute hang-fire protection (msis)
Case ejection: forward
Peak recoil force: 12,000 pounds force (std)
9,000 pounds force (enh)

49. 25-MM EQUIPMENT DATA
Reliability demonstrated: 22,000 (MRBF)
Dispersion: 0.5 mil
Misfire: Total failure of a round to fire
Hang-fire: Delay in the firing of a round
Cook-off: Accidental firing of a round due to excessive heat build up in the weapon system.

50. Eight Step Cycle of Function
Sear/Charge
Feed
Chamber/Ram
Lock
Fire
Unlock
Extract
Eject

51. Sear/ Charge
Feed
Chamber/ Ram
Lock
Fire
Unlock
Extract
Eject

52. Sear/Charge

53. Feed

54. Feed Dwell Slider moves left to right in slider path.
Bolt and Carrier Assembly is 25-mm to the rear of Sear, it’s rearmost position.
This is happening to allow the Feeder Assembly Rotor to sweep the spent casing into the ejection chute and place a new round on the face of the bolt assy.

55. Chamber/Ram

56. Lock
The bolt assembly is in its most forward possible position with the bolt carrier still moving forward. The cam pin assembly, moving in its channel in the carrier, causes the bolt assembly to rotate 30 degrees counterclockwise; the bolt assembly locking lugs engage the breech assembly locking lugs, giving a safe, solid lock.The firing pin assembly is fully cocked. The BPI arrow is rotating through the RED ZONE PRIOR TO FIRE.

57. Fire

58. Fire Dwell Slider moves right to left in slider path
Bolt Assembly is locked in the Breech Assembly
This is happening to allow hot propellant gases to escape returning chamber pressure to ambient(safe levels).

59. Unlock
Once the slider has completed its right-to-left movement, it starts moving to the rear, pulling the bolt carrier with it. As the bolt carrier is pulled to the rear, the cam pin assembly, moving in its channel, causes the bolt assembly to rotate clockwise and unlock from the breech assembly. The firing pin assembly is simultaneously withdrawn to the rear. As the bolt assembly unlocks, the BPI points to the beginning of EXTRACT.

60. Extract

61. Eject

62. ?

63. Ramming/Extracting Positive round control is provided by the:
Positive T-slot extractors
Continuous rim guide

64. DUAL FEED SYSTEM Link-aligners can move a long round 9.5mm back.
Chamber surface on the rear plate assembly can move a short round 3.1mm forward.

65. DOUBLE FEED PREVENTION
The incoming round is positively prevented from feeding across into the ram position; the nose of the incoming round is ahead of the base of the round left in the chamber.
The positive T-slot extractors failing
NOTE: BASED ON M792/M793 AMMO. THE M791/M910/M919 MISSING NOSE CAPS MAY ALLOW DOUBLE FEED SITUATION TO OCCUR!!

66. ATK M791
GD M910
ATK M910
GD M791
GD M919
MAX HT
MIN HT

67. RECOIL MECHANISM
Two ring spring set
Hydraulic Damper
85%

68. SEAR ASSY
Controlled by the electrical sear solenoid and mechanical safety interlock system. Locks roller assembly chain in the event of misfire by engaging the safety link, or in the sear position by engaging the master link.

69. Bolt and Carrier Assembly

70. Bolt and Carrier Assembly

71. TRACK ASSEMBLY

72. PITCH
THE DISTANCE BETWEEN THE ROLLER ASSY CHAIN; MEASURED FROM THE TOP OF THE CHAIN TO THE MIDDLE OF THE CHAIN AND THEN AGAIN FROM THE BOTTOM OF THE CHAIN TO THE MIDDLE OF THE CHAIN.

73. FIRING PIN ASSEMBLY
Milled Flats
New Configuration
Old Configuration

74. FIRING PIN ASSY FALL IS 0.56 INCH (14.2 MM) M115 PERCUSSION PRIMER
DELIVERS 32 INCH-LBS
REQUIRES 19 INCH-LBS
SAFETY MARGIN 13 INCH-LBS
BOLT FACE PROTRUSION 2-MM

75. MECHANICAL SAFETY INTERLOCK SYSTEM
Rocker assembly
Operating rod assembly
Interlock crank
Push rod extension
Sear push rod
Sear assembly

76. Pushed down by the Breech Assembly
ROCKER ASSEMBLY
Pushed down by the Breech Assembly
It then pulls the Operating Rod Assembly which disengages the Interlock crank Crank

77. OPERATING ROD ASSEMBLY
Pulled forward by the Rocker Assembly which disengages the Interlock Crank

78. PUSHROD EXTENSION
Forced upward

79. INTERLOCK CRANK
Becomes Disengaged

80. SEAR PUSHROD
It is pushed out

81. SEAR ASSY
Moved out of the way

82. Mechanical Safety Interlock System Failure Modes
Push rod extension or externally relieved screw breaks
Bolt Carrier Cam Breaks
Sear Assembly Breaks
Interlock Crank Breaks
Electrical Sear Solenoid intermittent

83. TIMING OF POWER TRAIN FEEDER HOUSING DISASSEMBLED
FEEDER ASSY REMOVED FROM RECEIVER ASSY

84. POWER TRANSMISSION SYSTEM
1.0 HP 24 VDC MOTOR ASSEMBLY
FEEDER DRIVE ASSEMBLY
CHAIN AND BOLT DRIVE**

85. ELECTRICAL SYSTEM 1. 1.0 HP 24V DC MOTOR ASSEMBLY
2. ELECTRICAL SEAR SOLENOID
3. ELECTRICAL FEED SELECT SOLENOID
4. INDEX DRIVE CABLE ASSEMBLY

86. 1.0HP 24VDC MOTOR ASSY
between 18 and 30 Vdc is required and drives the auto gun receiver and auto gun feeder gears. Contains junction and connectors for interface between automatic gun receiver assembly and automatic gun feeder assembly.

87. ELECTRICAL SEAR SOLENOID
Controls sear assembly by moving sear release link and sear push rod.

88. ELECTRICAL FEED SELECT SOLENOID
Provides manual or electrical selection of ammunition type
(AP or HE).

89. Index Drive Cable Assembly

90. Microswitch Sensor Harness Assembly
S2 Normal
Shutdown
Sensor
S1 Seared Sensor
S3 Breech Lock Sensor

91. Microswitch Sensor Harness Assembly
1ST timed sequence 52.2 ms
from S-3 breech lock sensor
to S-2normal shutdown sensor
Stop
1st 30 ms
Start

92. Microswitch Sensor Harness Assembly
Stop / Start
Start 2nd timed
Sequence 52.2msfrom
S-2Normal Shutdown
to S-1Seared Sensor
Stop

93. Index Drive Cable Assembly

95. ENABLING LEARNING OBJECTIVE B
ACTION: EXPLAIN THE DA FORM
CONDITION: IN A CLASSROOM ENVIRONMENT, GIVEN A BLANK DA FORM
STANDARD: STUDENT MUST FILL OUT ALL INFORMATION CORRECTLY, IAW UP DATE 14.

96. DA FORM

97. IIIIIIIIIIIIIIIIIIIIIIIIII

98. IIIIIIIIIIIIIIIIIIIIIIIIII

99. ENABLING LEARNING OBJECTIVE C
ACTION: CONDUCT MAINTENANCE PROCEDURES ON THE M MM GUN.
CONDITION: IN A CLASSROOM ENVIRONMENT, GIVEN A TM &P, M MM GUN, GUN STAND WITH TOOLS.
STANDARD: STUDENT MUST CONDUCT MAINTENANCE PROCEDURES ON THE M MM GUN IAW TM &P.

100. TM 9-1005-200-23&P TROUBLESHOOTING MAINTENANCE INSTRUCTIONS
PREVENTIVE MAINTENANCE CHECKS AND SERVICES(PMCS)
GENERAL MAINTENANCE
TORQUE PROCEDURES
REPAIR PARTS LIST
MAC CHART
SMR CODE
CROSS REFERENCE INDEXES
SPECIAL TOOLS
EXPENDABLE/DURABLE ITEMS

101. TORQUE PROCEDURES 1ST DIVISION-6> 1000 th -ROUND UP
2ND DIVISION-5> 10 th - ROUND UP
X .113 FOR N-m

102. EXAMPLE: Required torque is 270-300 in-lb.
( N-m)
Length of torque wrench is 22 in. (558.8 mm)
Length of adapter is 3 in. (76.2 mm)

103. ?

104. ENABLING LEARNING OBJECTIVE D
ACTION: CONDUCT DISASSEMBLY AND ASSEMBLY OF THE M MM GUN.
CONDITION: GIVEN A CLASSROOM ENVIRONMENT, A M MM GUN, TOOLS AND TM &P.
STANDARD: THE STUDENT WILL PERFORM DISASSEMBLY AND ASSEMBLY ON THE M MM GUN, IAW TM &P.

105. M242 RECEIVER ASSY
0026
0052
0058
0059
0067
0069

106. M242 RECEIVER ASSY
0050
0051

107. M242 FEEDER ASSY

108. M242 FEEDER ASSY
0043

109. M242 BOLT & TRACK ASSY
0053
0054
0055
0056

110. TERMINAL LEARNING OBJECTIVE
ACTION: CONDUCT ORGANIZATIONAL MAINTENANCE ON THE M MM CHAIN GUN.
CONDITION: IN A CLASSROOM ENVIRONMENT, GIVEN A TM &P, M242 STUDENT HANDOUTS AND A M MM GUN WITH GUN STAND AND TOOLS.
STANDARD: STUDENT MUST ACHIEVE MINIMUM OF 80% ON BOTH WRITTEN EXAMS(OB/CB) AND RECEIVE A GO ON ALL HANDS ON EVALUATIONS.

115. BOLT AND TRACK ASSEMBLY

116. GUN,25MM,M242 GUN, 25MM,M242 BIC 1ST BN, 29TH IN REGT
WL258B
GUN,25MM,M242
GUN, 25MM,M242
REPLACE BREECH ASSY
AT 25,000RDS(ENH>25,000
REPLACE FIRING PIN ASSY
8,000 /12,000 RDS
BIC 1ST BN, 29TH IN REGT
M242 BFV SERIAL NUMBER 2AB4001
ALL ROUNDS HAVE A EFC
OF 1.0
RECEIVER ASSY 5500 1
FIRING PIN
BREECH
17,000
8,000
13 AUG 94
8,000
CPT 30
30 AUG 94
TPDS-T
8,030
16,970
7,970
SSG 50
8,080
TPDS-T
16,920
7,920
30 SEPT 94
SSG
6 OCT 94
TP-T
800
8,880
16,120
7,120
SSG
30 OCT 94
TP-T 47
8,927
16,073
7,073
CPT

117. IIIIIIIIIIIIIIIIIIIIIIIII

118. ELECTRICAL SYSTEM O
PROVIDED VDC
SAFETY- 2 VDC

119. ?