Remington Model Shotgun

By THOMAS E. WESSEL

Parts Legend

1. Barrel

2. Front sight*

3. Barrel lug*

4. Barrel lug stud pin

5. Barrel lock nut stop plunger pin

6. Barrel lug stud

7. Barrel lock nut stop plunger spring

8. Barrel lock nut stop plunger

9. Fore-end tube nut

10. Fore-end lube

11. Fore-end tube cap*

12. Action bar*

13. Magazine guide screw

14. Magazine guide

15. Barrel lock nut

16. Magazine plugt

17. Barrel lock nut key (2)t

18. Magazine tube*

19. Magazine spring

20. Magazine follower

21. Barrel lock compensator screw

22. Barrel lock spring

23. Barrel lock compensator

24. Barrel lock

25. Barrel adjusting bushing lock screw

26. Barrel adjusting bushing lockt

27. Magazine lockt

28. Barrel adjusting bushingt

29. Receiver

30. Stock bolt studf

31. Stock bolt washer

32. Stock bolt lock washer

33. Stock bolt

34. Buttplate screw (2)

35. Buttplate

36. Stock reinforcement ring*

37. Ejector

38. Ejector spring

39. Right cartridge stop

40. Left cartridge stop

41. Carrier

42. Trigger plate

43. Safety plunger

44. Safety spring

45. Safety

46. Mainspring pin

47. Trigger plate pin spring pin

48. Trigger plate stud (2)

49. Trigger plate pin spring

50. Left cartridge stop plunger screw

51. Left cartridge stop spring

52. Left cartridge stop plunger

• Permanent factory assembly to other major part. t Parts No's. 16. 17. 26. 27. 28, 30 to be factory disassembled only.

53. Trigger lock plunger

54. Trigger lock spring

55. Action bar lock spring

56. Action bar lock

57. Hammer

58. Hammer link pin

59. Hammer pin

60. Trigger pin

61. Trigger lock pin

62. Hammer link

63. Mainspring follower

64. Mainspring

65. Trigger lock (shown 120' rotated for clarity)

66. Trigger

67.' Trigger spring

68. Slide

69. Extractor plunger

70. Right extractor spring

71. Right extractor

72. Breechblock

73. Firing pin retaining pin

74. Trigger plate pin

75. Firing pin

76. Firing pin spring

77. Left extractor spring

78. Extractor pin

79. Left extractor

80. Stock

81. Fore-end

The Remington Model 31 slide-action shotgun was introduced in 1931 and remained in production until 1949. It was replaced in 1950 by the Model 870 Wingmaster slide-action shotgun. Made in 12-ga., 16-ga., and 20-ga., and in several grades, the Model 31 shotgun underwent several modifications during the course of production and these affect interchangeability of certain parts within guns of the 3 major series. The original 1931 series had a 'spring-up' barrel lock assembly which was replaced in 1934 with a screw-up assembly,

Singl Barrel 12ga Gun Pin Hammar Parst

IOpen action partially, unscrew barrel lock nut (15) to left, turn barrel (1) 90° left, and move it forward from receiver (29). Push out trigger plate pin (74) from right to left and turn gun bottom up. Slide trigger plate (42) forward until trigger plate studs (48) align with slots in sides of receiver and lift trigger plate out.

If gun is cocked, press action bar lock (56) to release trigger plate before moving it forward. Lift out right and left cartridge stops (39 and 40) from inside walls of receiver. Move fore-end (81) rearward until projection at rear of slide (68) is even with trigger plate holes in side of receiver. Pull upward on slide while moving fore-end forward to free action bar (12) from slide.

Holding slide up. disengage it from breechblock (72) and move block fully forward. Swing carrier (41) against block. Move slide until forward end is V*" forward of trigger plate stud slots as shown. Tip up right side of slide (side opposite action bar) and swing slide out sideways from receiver. This is effortless when slide is properly positioned; do not force it

Mossberg 590 Slide Action Bar

2 With fore-end and breechblock fully forward, swing front end of carrier outward until about perpendicular to receiver and press ends together to disengage pivots. Lift it away. Press ejector (37) fully into its slot and lift out breechblock. Swing ejector rearward and lift from its slot in side of receiver which was made smaller in 1941.

The initial series made from 1931 until 1936 included 12-ga. guns numbered from 0 to 25,000, and 16-ga. and 20-ga. guns numbered from 500,000 to 519.600. The second series produced from 1936 until 1940 included 12-ga. guns numbered from 25,001 to 35,000. and 16-ga. and 20-ga. guns numbered from 519,601 to 530,000. The barrel collar was omitted in this series.

The third scries, made from 1941 until 1949, evidenced several changes over previous models. The Model 31

Remington Model

3 Remove magazine guide screw (13) from top of magazine guide (14-arrow), grasping hand around all parts at front end of magazine tube (18) to prevent loss. Pull barrel lock nut (15) carefully from tube to prevent magazine spring (19) from releasing too fast. Remove magazine spring and magazine follower (20) from tube. Pull magazine guide from tube and slide fore-end assembly forward off tube

Pin Retaining Blade

4 Drift out firing pin retaining pin (73) from left to right and remove firing pin (75) and firing pin spring (76) from back end of breechblock. Drift extractor pin (78) out bottom of breechblock and remove left extractor (79) and left extractor spring (77). Insert small screwdriver in back of right extractor (71) and pry back extractor plunger (69), then push screwdriver forward, pushing right extractor out of slot. Remove extractor plunger and right extractor spring (70)

was made optionally available in a lightweight version with aluminum trigger plate and receiver. The safety button was made larger and numerous parts were changed, including the action bar lock, hammer, extractor, trigger lock, and trigger plate.

The Model 31 shotgun earned an enviable reputation for reliability during the course of its manufacture. Large numbers were purchased by the government during World War II for use in aircraft gunnery training, for arming guards, and for recreational purposes.

1934 Remington Model Hammer Link

5 With hammer (57) in 'fired' position, drift out mainspring pin (46) and remove safety spring (44) and safety plunger (43) from lower hole. Remove mainspring (64) and mainspring follower (63) from upper hole. Remove safety (45). Drive out hammer pin (59) and push hammer forward and down until rear of hammer link (62) is out of slot in trigger plate Pull hammer link rearward disengaging hammer from action bar lock spring (55). Never lift hammer upward until it has been disengaged from this spring, else spring will become bent or broken. Lift away hammer. Drift out trigger pin (60) and remove action bar lock with spring attached. Trigger lock plunger (53) and trigger lock spring (54) may now be removed. Balance of trigger plate disassembly is obvious

Remington Shotgun Disassembly

lower, safety spring, and safety plunger, it will facilitate reassembly to insert these parts first. Then, after replacing the mainspring pin, and using a short length of wood dowel to compress safety plunger, re-insert safety. This method is converse to logical procedure—that is, first replacing the safety, then spring-loaded parts ■

Remington Rimfire History

Back in August 1899, John M.

Browning patented a single-shot, bolt-action, rimfire rifle which Winchester brought on the market as the Model 1900. This low-priced but serviceable cal. .22 arm set the pattern for many similar rifles introduced through the years by various U. S. and foreign manufacturers.

Remington's first rifle of this type was not introduced until 1931. Designated Model 33, this bolt-action takedown rifle was based on patents granted to Remington engineer C. C. Loomis. It fires .22 short, long, and long rifle standard-velocity and high-speed cartridges. A Remington brochure published in 1934 called it "the finest cal. .22 single-shot rifle ever offered at the price."

According to this brochure, the retail price of the Standard Grade Model 33 fitted with a white metal bead front sight and U-notch open rear sight was $5.50. When equipped with a Lyman No. 55 aperture rear sight, the rifle retailed for $7.70. There was also an NRA Junior Target Grade of the Model 33. This rifle was fitted with a Patridge-type blade front sight, Lyman No. 55 aperture receiver sight, sling swivels, and a l"-wide adjustable leather sling. It was offered at $10.30 retail.

All grades of the Model 33 have a 24" round barrel and an American walnut stock with a pistol grip. Most metal parts are blued. The action works smoothly, and the firing pin is cocked manually after closing the bolt. No safety lever is provided, but the firing pin can be pulled back and rotated to a safe position. An automatic rebounding lock also is provided. This is designed to prevent discharge if the firing pin is hit accidentally.

Unlike many bolt-action rifles chambered for .22 rimfire ammunition, the Model 33 has dual-opposed locking lugs. One of these lugs is the root of the bolt handle. The design of this little 4'/2-lb. rifle is generally excellent.

In 193(f, the Model 33 was replaced by the Remington Model 41 .22 rimfire rifle.

Illustrations by FRANK G. HART Text by LUDWIG OLSON

1 Before disassembly, open the action to make sure the rifle is unloaded. Lift bolt handle, pull trigger (26) and remove bolt assembly from receiver (18). Loosen takedown screw (25), and remove stock (24).

Homemade The Shotgun Trigger And Hammer

4 After driving out firing pin extension pin (12) from left to right, remove firing pin extension (11), retractor spring (19), and retractor spring plunger (20) from firing pin (10). Mainspring (14) and mainspring plunger (15) are permanently staked in place inside the firing pin. Disassembly of these parts should not be attempted.

2 Drive out extractor pin (7), and remove extractor (6), extractor spring plunger (9), and extractor spring (8). Drive out ejector pin (5), and remove ejector (4) from front of bolt (2).

Homemade Bolt Head And ExtractorPull Bolt Type Shotgun

3 Drive out bolt extension sleeve pin (3), and pull firing pin assembly from bolt.

5 Drive out trigger and sear pins (29) and (22). Remove trigger (26), trigger spring (30), and sear (21) from bottom of receiver.

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Hunting Mastery Selected Tips

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Responses

  • jenna
    Where can i buy a springfield model 67 series e 12 gauge cartridge stop pivot screw nut?
    8 years ago
  • Fikru
    How do you repair a action bar sring on a 1934 model 31 remington?
    8 years ago
  • Bisrat
    How to removeleft shell latch remington 870?
    8 years ago
  • licia
    How to build homemade .22 calibre rimfire?
    7 years ago
  • Ralph
    How to assemble bolt action shotgun extractor?
    7 years ago
  • Thomas
    How to take the barrel off of a remington model 31 shotgun?
    6 years ago
  • wilma
    How to make homemade .22 long rifle arms?
    6 years ago
  • antoinette
    Do some remington model 31 shotguns have a trigger adjustment screw in back end of receiver?
    6 years ago
  • Hamid
    HOW TO MAKE AN IMPROVISED GUN TRIGGER?
    6 years ago
  • Steven Moore
    How to remove an ejector from breechblock on remington 31?
    6 years ago
  • Hollie
    How to remove trigger assembly on a model 31 shotguin?
    6 years ago

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