7 slot picatinny rail section from TacFire. Compatible with M-LOK handguards and rails. 3 inches in length, 0.38 inches in height, only adds 0.9 oz of weight. Black finish.#html-body [data-pb-style="62DF828C4880D"]{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="62DF828C4881A"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}