BCMA(R) 3 inch Picatinny Rail Section, Aluminum (M-LOKA(R) Compatible*) Rail section is made of Hard Anodized Aircraft Aluminum Alloy. Made to the Mil-Standard 1913 Picatinny Arsenal Specifications. Features a Snag resistant design, while retaining Mil-Standards. M-LOK Compatible. * M-LOKA(R) is a registered trademark of Magpul Industries Corp. https://www.magpul.com/ip
