The M16A1 rear sight's 'L' setting is for long-range (300-460 meters), not low light. Unlike later models, the A1's apertures are the same size. The 250-meter zero and 'belt buckle hold' were standard doctrine for this rifle.
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![A1 Rear Sights "L" setting 👉 [Long Range] or [Low Light]? #shorts](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FAJK_2oKTcN4%2Fhqdefault.jpg&w=3840&q=75)
