Subjects Covered: Meter to Yard Conversions H&K Diopter Sight Picture Tools Necessary To Adjust H&K Rear Diopter Sights HK G-3 / HK-91 / PTR-91 — 7.62x51mm NATO HK-93 / HK-53 / HK-33 — 5.56x45mm NATO HK MP5 / HK-94 — 9mm NATO H&K Diopter Sight Elevation Adjustments Using The H&K Tool or Snap-Ring Pliers For […]![]()
