Illustrations By DENNIS RIORDAN Text By LUDWIG OLSON
Developed by the late John D. Ped-ersen, a noted U.S. arms designer, the Remington Model 12 .22 rimfire slide-action rifle was introduced in 1909. This concealed-hammer repeater with tubular magazine under the barrel is of takedown style and has a crossbolt safety in the trigger guard. Its simple reliable action is trim and compact, and is closed at the rear which helps protect the user from rearward escaping gas in the event of a burst cartridge case. While normally used as a repeater, the rifle also can be loaded singly through the ejection port in the receiver.
1. Firing pin 26. Magazine spring screw
2. Firing pin 27. Action bar spring guide 28. Magazine ring
4. Ejector pin 29. Magazine
5. Receiver tube, outer bushing, plain 30. Fore-end
6. Takedown screw (2) screw 31. Fore-end
7. Takedown 32. Buttplate screw retainer 33. Buttplate
9. Breechblock 34. Stock
10. Extractor 35. Stock bolt spring 36. Stock bolt
11. Extractor washer
12. Extractor 37. Ejector spring plunger screw
13. Receiver 38. Ejector spring bushing, 39. Rear sight threaded 40. Rear sight
14. Receiver screw (2)
15. Magazine 41. Guard tube, inner, 42. Trigger complete 43. Trigger spring
16. Barrel 44. Trigger spring
17. Front sight case
18. Cartridge 45. Carrier retainer 46. Safety plunger
19. Carrier dog pin pin 47. Mainspring
20. Cartridge stop rod
21. Carrier dog 48. Mainspring spring 49. Safety spring
22. Carrier dog 50. Safety plunger
23. Action bar 51. Safety plunger 52. Hammer pin
24. Action bar 53. Hammer plunger pin bushing
25. Action bar 54. Hammer spring 55. Trigger pin center-fire rifle designed by Pcdersen.
The most often encountered Model 12 rifle is the No. 12A Standard Grade that fires .22 short, long, and long rifle cartridges interchangeably and without adjustment. This version has a 22" round barrel and weighs 4Vi lbs. Its magazine holds 16 short, 12 long, or 11 long rifle cartridges. The No. 12A was also available for the .22 short only.
There are several other versions of the Model 12. The No. 12B Gallery Special Grade has a 24" octagon barrel and is chambered for the .22 short cartridge only. This rifle was used extensively by shooting galleries. The No. 12C Target Grade, similar to the No. 12B, fires shorts, longs, and long rifles.
A variation of the 12C called the No. 12C N.R.A. Target Grade was designed for use in matches sponsored by the National Rifle Association. Chambered for the .22 long rifle cartridge, this rifle has a 24" octagon barrel and weighs six lbs. It is equipped with a hooded target front sight, aperture rear sight on the action, and a target-style sling strap.
Another variation of the 12C rifle is the No. 12CS Remington Special Grade for the .22 Remington Spccial (.22 W.R.F.) cartridge. Like the regular No. 12C, this rifle has open sights.
Deluxe versions of the Model 12 arc the No. 12D and 12DS Peerless Grade, No. 12E and 12ES Expert Grade, and the No. 12F and 12FS Premier Grade. The S in these designations denotes rifles chambered for the .22 Remington Special cartridge. Spccial features of these deluxe rifles are checkering, engraving, and selected wood. The highest grade is the No. 12F and 12FS, listed at $105.50 in the 1918-19 Remington catalog.
Extensively produced through the years, the Model 12 was superseded in 1936 by the Remington Model 121 rifle which was similar to the Model 12 but featured an improved firing pin, stock, and fore-end.
3 To remove extractor (11), insert thin-bladed screwdriver between extractor and extractor plunger (12). Turning the blade slightly forces plunger back against spring (10), and moves rear of extractor out of breechblock. Drive ejector pin (4) and firing pin pin (3) upward to release firing pin (8).
Cutaway shows relationship between assembled parts. Rifle is loaded and cocked, safety off, action bar locked by carrier. Parts are number keyed to parts legend.
2 Invert receiver assembly and move fore-end (31) rearward, depressing action bar plunger (23) so that it clears the receiver. Press down at center of breechblock (9) while sliding fore-end forward, and remove breechblock. This is sufficient takedown for normal cleaning. On reassembly, depress rear of breechblock to cause engagement with action bar (27). Also, cock the hammer (54).
6 If rifle has tang rear sight (39), turn out screws (40) and remove sight. Unscrew buttplate screws (33) and take off buttplate (32). Insert long-shank screwdriver in stock hole and remove stock bolt (35) and washer (36); pull guard (41) from stock (34). Pull trigger (42) and lower hammer (54) with thumb. Force mainspring (48) forward and insert a short wire through hole in mainspring rod (47). Push out hammer bushing (53) to right and lift off hammer and rod,
1 Before starting disassembly, unload the magazine and clear the chamber. Loosen takedown screw (6) and pull out to left as far as it will go. Hold rifle with left side down, and pull guard and stock assembly rearward out of receiver (14).
4 Depress latch of inner magazine tube (15) and pull tube out forward. Unscrew fore-end screws (30). Then, push fore-end (31) forward slightly over outer magazine tube (29). Depress action bar plunger and pull out its pin (24). Ease out plunger and spring (25). Pull action bar assembly out through rear of receiver, releasing fore-end and cartridge retainer (18). In reassembly, insert retainer in same position and carefully start action bar groove over it.
5 Remove magazine screw (26) and unscrew outer magazine tube. Holes in magazine tube and action bar must align when the screw is replaced. Driving out carrier dog pin (19) releases carrier dog (22) and spring (21), which allows removal of cartridge stop (20).
pushing out hammer pin (52) to separate them. Cup palm over top of guard to catch trigger spring case (44) and spring (43). Then, pull carrier (45) forward and off. Reassemble in reverse. Safety must be disengaged when inserting hammer bushing.
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