Samson Quick Flip sights are the most robust combat sights on the market.
AR15 QUICK FLIP UP FRONT SIGHT HK STYLE SAMSON
Featuring an easy over-sized push button spring deploy action. Accepts all aftermarket front sight post replacements with Mil-spec dimensions. All sights lock in the folded and deployed position. It is not intended for lower height gas block rails. The durable construction and solid mounting system guarantees you to stay on zero.
Attaches to any 1913 Picatinny rail
Perfect (M4) co-witness height
Stainless steel clamp
Material: 6061-T6 aluminum
Finish: Type III class 2 hard coat anodizing