Midwest Industries MICRL30815 Combat Handguard AR-308/LR-308 Black Hardcoat Anodized 15" 6061-T6 Aluminum This Combat Rail DPMS Low M-LOK Handguard Is Compatible With 308 AR And LR308 Products. It Features Five Anti-Rotation QD sockets For Sling Attachment And Three Sides Of M-LOK Compatible slots. 100 Percent Made In The USA. Dimensions: 15" X 1.75" X 2.2" Material: 6061-T6 Aluminum Finish: Black Hardcoat Anodized