NATO STANAG 4694 rail for use with all M-LOK compatible platforms. Made of anodized aluminium (Mil-8625-F type III, class II).
Chamfered edges prevent snagging on obstacles. Special designed ends allow aligning of more rails in a row.
Please mind installation tips by MAGPUL on https://www.magpul.com/Admin/Public/DWSDownload.aspx?File=%2fFiles%2fFiles%2fPDF%2fPropaganda%2fM-LOK_Tips.pdf