Samson fixed sights are the most robust fixed combat sights on the market. Accepts all aftermarket rear aperture replacements with Mil-spec dimensions. It is not intended for lower height gas block rails. The durable construction and solid mounting system guarantees you to stay on zero.

• Fixed rear sight.
• Dual aperture.
• Attaches to any 1913 picatinny rail.
• Perfect (M4) co-witness height.
• Stainless steel clamp.