The Samson folding rear sight has a standard dual aperture and will attach to any 1913 Mil. Std. rail. The stainless steel clamp and 6061-T6 aluminum build are covered by a Type III Class 2 hard anodized coating. It has a perfect M4 co-witness height and just over 0.5 MOA per click windage adjustment. It accepts all aftermarket rear aperture replacements with mil-spec dimensions. Designed to be used with same plane sight mounting applications.
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