BCM RAIL SECTION ALUM. KEYMOD

4" RAIL SECTION BLACK FEATURES-KeyMod Picatinny Aluminum Rail Section -4"-Black-Rail section is made of Hard Anodized Aircraft Aluminum Alloy-Mounting hardware is made of Corrosion Resistant Stainless Steel-Made to the Mil-Standard 1913 Picatinny Arsenal Specifications-Features a Snag resistant design, while retaining Mil-Standards specs-Self-contained assembly, eliminates the possible loss of mounting hardware-Fits ALL KeyMod interface mounting surfaces