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Old 03-21-2016, 11:00 AM
jbrentd
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Mossberg 22 LR Micro Click, Peep, Aperture, Receiver Sights Page 2
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S-130



  • Mounts to left side of receiver with 2 screws; elevation adjusted by turning knurled 1/8 minute thimble on elevation staff to correct setting; windage adjusted by loosening eyepiece, turning 1/8 minute knurled knob on windage arm until at correct setting then retighten eyepiece. Stamped steel and forgings.
    Detailed Instructions
  • The graduations on the elevation and windage screw knobs with corresponding clicks, represent 1/2 minute adjustments, equivalent to 1/2" change of bullet impact at 100 yards, 1/4" at 50 yards or 1/8" at 25 yards. It is well to remember to move the rear sight in the direction in which it is desired to move the bullet on the target. If the bullet shoots low, raise the aperture by turning the elevation screw to the left, marked "up" on the elevation nut, or counter clockwise. If the rifle shoots high, turn the elevation screw to the right, or clockwise. If the rifle shoots to the left, move the aperture to the right by turning windage screw to the left, or counter clockwise. If the rifle shoots to the right, move aperture to the left by turning windage screw to the right, or clockwise.
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S-330






  • Mounts to left side of receiver with 2 screws; has longer extension style base to place aperture closer to eye; elevation & windage 1/8 minute adjustable; loosing large locking screw on base allows entire windage arm to be removed from sight base; forged aluminum with steel fittings.
    Detailed Instructions
  • The graduations on the elevation and windage screw knobs with corresponding clicks, represent 1/4 minute adjustments equivalent to 1/4" change of bullet impact at 100 yards, 1/8" at 50 yards or 1/16" at 25 yards. It is well to remember to move the rear sight in the direction in which it is desired to move the bullet on the target. If the rifle shoots low, raise the aperture by turning the elevation screw counter-clockwise. If the rifle shoots high, turn the elevation screw clockwise. If the rifle shoots to the left, move aperture to the right by turning the windage screw counter clockwise. If the rifle shoots to the right, move aperture to the left by turning the windage screw clockwise.
  • To remove the sight, loosen the lock screw on the rear of the sight and lift straight up on the sight which will slide out of the base. When the sight is replaced in the base and the lock screw tightened the sight will be in the exact same place and no adjustment will be necessary.
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S-331



  • Mounts to left side of receiver with 2 screws; elevation & windage 1/8 minute adjustable; loosing large locking screw on base allows entire windage arm to be removed from sight base; forged aluminum with steel fittings.
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Lyman 57MS


  • Sight features push button quick release; 1/4 minute adjustments & knurled knobs; steel construction; introduced 1938.
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Parker Hale PH-16D




  • Parker Hale PH-16D, Mounts to left side of receiver with 2 screws, fits the Mossberg factory screw hole pattern no drilling or tapping required. This was installed onto some M42MB's as the British thought the No. 4 was an inferior sight. It is micro adjustable and swings out 90 degrees to allow the use of a rear sight. Photo (4) describes the features of sporterized rifles returned to the United States, very interesting. Special thanks to "JFK" a .22 trainer collector for the photos and information.
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Williams 5D Receiver Sights

  • As per Williams 1972 Catalog
  • Model 5D-46M will fit: Mossberg 46, 26, 42, 44, 50, 51, 151, 352's
  • Model 5D-620 will fit: Mossberg 620K's, 640K's, 340's, 342's, 346's, 350's, 351's

Last edited by jbrentd; 07-06-2017 at 02:11 PM.
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