PSA AR15 A2 Front Sight Gas Block w/Bayonet Lug

Mil-Spec, F Marked front sight base. Gunsmithing required for installation.Does not include sight post assembly.#html-body [data-pb-style="62DF828A699B4"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF828A699C0"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}