American Rifleman - August 2017 - 81

Parts Legend
1. BARREL
2. STOCK
3. STOCK BOLT WASHER
4. STOCK BOLT LOCK WASHER
5. STOCK BOLT
6. BARREL EXTENSION
*7. BARREL GUIDE RING
8. MAGAZINE CAP DETENT SPRING
9. MAGAZINE CAP DETENT
10. FRONT SIGHT BEAD
11. MAGAZINE CAP
12. MAGAZINE SPRING RETAINER
*13. MAGAZINE TUBE
14. MAGAZINE SPRING
15. RECEIVER
16. FRONT EJECTOR RIVET
17. MAGAZINE FOLLOWER
18. EJECTOR
19. EJECTOR SPRING
20. REAR EJECTOR RIVET
21. FRONT TRIGGER PLATE PIN
22. REAR TRIGGER PLATE PIN
23. STOCK BEARING PLATE
24. RECEIVER STUD
25. BUTTPLATE
26. BUTTPLATE SCREW (2)
*27. BARREL SUPPORT
*28. LEFT ACTION BAR
*29. RIGHT ACTION BAR
30. FORE-END TUBE
31. FORE-END TUBE NUT
32. FORE-END
33. LEFT SHELL LATCH
34. RIGHT SHELL LATCH
35. HAMMER PLUNGER
36. HAMMER SPRING
37. SEAR
38. ACTION BAR LOCK SPRING
39. HAMMER PIN
40. FRONT TRIGGER PLATE PIN

44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.

SAFETY SPRING RETAINING PIN
RIGHT CONNECTOR
LEFT CONNECTOR
TRIGGER
CONNECTOR PIN
SAFETY PLUNGER
SAFETY SPRING
SAFETY
TRIGGER PIN
TRIGGER PLATE
CARRIER PIVOT TUBE

SEAR SPRING
ACTION BAR LOCK
CARRIER
HAMMER
CARRIER DOG
CARRIER DOG WASHER
CARRIER DOG PIN
CARRIER DOG FOLLOWER
SPRING

63. CARRIER
FOLLOWER
REMINGTON MODEL
870DOGSHOTGUN
64. SLIDE

3

4

65. FIRING PIN
66. FIRING PIN RETRACTOR SPRING
67. LOCKING BLOCK STUD
68. LOCKING BLOCK
69. FIRING PIN RETAINING PIN
70. BREECH BOLT
71. EXTRACTOR
72. EXTRACTOR SPRING
73. EXTRACTOR PLUNGER
*PART IS SILVER-SOLDERED
TO OTHER MAJOR PART.
10

2

5

11

1
9
8

12
13
31

7
30

15

14

32

17
27
18 16
19 28

6

73
70

72

29
23

21

26

20

33

22

34
42

24

68
40

36
39

37

38

53

47

43. TRIGGER PLATE PIN BUSHING

50

67

66
65

58

64
62

48 49

25

69
57

45 44

DETENT SPRING

56

54
41

55 43

46
26

71

35

DETENT SPRING

41. SEAR PIN
42. REAR TRIGGER PLATE PIN

55.
56.
57.
58.
59.
60.
61.
62.

52 61
51

then pull the barrel assembly from
receiver (FIG. 3).
To remove the fore-end assembly,
including the fore-end, breech bolt
(70), locking block (68), slide (64),
etc., press in on the front end of the
left shell latch (33) (C) and slide the
assembly forward off the magazine tube
(13) (FIG. 4). The barrel must first be
removed to affect this operation.
To remove the magazine spring (14)
and the magazine follower (17), insert

the blade of a small screwdriver into
the hole in the spring retainer (12)
and pry the retainer from the magazine
tube (FIG. 5). Remove the retainer
slowly to relieve tension on the magazine spring. The spring and follower
D
may now be removed.
Re-assembly is in the reverse order.
Assemble the slide to the action bars
(28 and 29), together with the breech
bolt assembly. Assemble the fore-end
tube (30) over the magazine tube and

FIG. 4

FIG. 5

E

60

63

59

insert the rear end of the action bars
(with the slide and breech bolt assembly on them) into the receiver grooves
(D and E) (FIG. 6). Move the assembly
rearward gently until it contacts the front
end of the right shell latch (34). Press
in on the right shell latch to clear the
action bar and slide the fore-end gently
rearward again until it contacts the left
shell latch. Press in the left shell latch
and push the fore-end rearward until it is
stopped by the action bar lock.
FIG. 6
D

C

E

Illustrations by David Labrozzi
D

AMERICANRIFLEMAN.ORG

AUGUST 2017

81


http://www.AMERICANRIFLEMAN.ORG

Table of Contents for the Digital Edition of American Rifleman - August 2017

Contents
American Rifleman - August 2017 - CW1
American Rifleman - August 2017 - CW2
American Rifleman - August 2017 - Cover1
American Rifleman - August 2017 - Cover2
American Rifleman - August 2017 - 1
American Rifleman - August 2017 - Contents
American Rifleman - August 2017 - 3
American Rifleman - August 2017 - 4
American Rifleman - August 2017 - 5
American Rifleman - August 2017 - 6
American Rifleman - August 2017 - 7
American Rifleman - August 2017 - 8
American Rifleman - August 2017 - 9
American Rifleman - August 2017 - 10
American Rifleman - August 2017 - 11
American Rifleman - August 2017 - 12
American Rifleman - August 2017 - 13
American Rifleman - August 2017 - 14
American Rifleman - August 2017 - 15
American Rifleman - August 2017 - 16
American Rifleman - August 2017 - 17
American Rifleman - August 2017 - 18
American Rifleman - August 2017 - 19
American Rifleman - August 2017 - 20
American Rifleman - August 2017 - 21
American Rifleman - August 2017 - 22
American Rifleman - August 2017 - 23
American Rifleman - August 2017 - 24
American Rifleman - August 2017 - 25
American Rifleman - August 2017 - 26
American Rifleman - August 2017 - 27
American Rifleman - August 2017 - 28
American Rifleman - August 2017 - 29
American Rifleman - August 2017 - 30
American Rifleman - August 2017 - 31
American Rifleman - August 2017 - 32
American Rifleman - August 2017 - 33
American Rifleman - August 2017 - 34
American Rifleman - August 2017 - 35
American Rifleman - August 2017 - 36
American Rifleman - August 2017 - 37
American Rifleman - August 2017 - 38
American Rifleman - August 2017 - 39
American Rifleman - August 2017 - 40
American Rifleman - August 2017 - 41
American Rifleman - August 2017 - 42
American Rifleman - August 2017 - 43
American Rifleman - August 2017 - 44
American Rifleman - August 2017 - 45
American Rifleman - August 2017 - 46
American Rifleman - August 2017 - 47
American Rifleman - August 2017 - 50
American Rifleman - August 2017 - 51
American Rifleman - August 2017 - 52
American Rifleman - August 2017 - 53
American Rifleman - August 2017 - 54
American Rifleman - August 2017 - 55
American Rifleman - August 2017 - 56
American Rifleman - August 2017 - 57
American Rifleman - August 2017 - 58
American Rifleman - August 2017 - 59
American Rifleman - August 2017 - 60
American Rifleman - August 2017 - 61
American Rifleman - August 2017 - 62
American Rifleman - August 2017 - 63
American Rifleman - August 2017 - 64
American Rifleman - August 2017 - 65
American Rifleman - August 2017 - 66
American Rifleman - August 2017 - 67
American Rifleman - August 2017 - 68
American Rifleman - August 2017 - 69
American Rifleman - August 2017 - 70
American Rifleman - August 2017 - 71
American Rifleman - August 2017 - 72
American Rifleman - August 2017 - 73
American Rifleman - August 2017 - 74
American Rifleman - August 2017 - 75
American Rifleman - August 2017 - 76
American Rifleman - August 2017 - 77
American Rifleman - August 2017 - 78
American Rifleman - August 2017 - 79
American Rifleman - August 2017 - 80
American Rifleman - August 2017 - 81
American Rifleman - August 2017 - 82
American Rifleman - August 2017 - 83
American Rifleman - August 2017 - 84
American Rifleman - August 2017 - 85
American Rifleman - August 2017 - 86
American Rifleman - August 2017 - 87
American Rifleman - August 2017 - C1
American Rifleman - August 2017 - C2
American Rifleman - August 2017 - E1
American Rifleman - August 2017 - E2
American Rifleman - August 2017 - MW1
American Rifleman - August 2017 - MW2
American Rifleman - August 2017 - S1
American Rifleman - August 2017 - S2
American Rifleman - August 2017 - SW1
American Rifleman - August 2017 - SW2
American Rifleman - August 2017 - W1
American Rifleman - August 2017 - W2
American Rifleman - August 2017 - 90
American Rifleman - August 2017 - 91
American Rifleman - August 2017 - 92
American Rifleman - August 2017 - 93
American Rifleman - August 2017 - 94
American Rifleman - August 2017 - 95
American Rifleman - August 2017 - 96
American Rifleman - August 2017 - 97
American Rifleman - August 2017 - 98
American Rifleman - August 2017 - 99
American Rifleman - August 2017 - 100
American Rifleman - August 2017 - 101
American Rifleman - August 2017 - 102
American Rifleman - August 2017 - Cover3
American Rifleman - August 2017 - Cover4
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