Glock Square Adjustable Rear Sight with Adjustment Tool Polymer Black White Outline

Product #: 575325 Glock #: SP05977
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Product Information

Factory sights fit any Glock.

Technical Information


  • Glock rear sights are interchangeable across all Glock handguns
    Standard factory sight heights:
  • 9mm Luger, 40 S&W, 357 Sig, 380 ACP is 6.5mm (.256")
  • 45 ACP, 10mm is 6.9mm (.27")
  • A change in sight height by one increment, for example from .256 to .27, will result in a shift of approximately 2" (higher) at 25 yards, given no change to the front sight.
  • Glock recommends the use of their rear sight mounting tool for installation.
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