ALG Defense 15in Ergonomic Modular Railed Handguard - V3 Black 15in. Magpul M-LOK accessories can be attached along the length of the rail at 2 4 6 8 and 10 o'clock positions. The EMR V3 M-LOK also features two integrated anti-rotational QD slots at the base of the rail at the 2 and 10 o'clock positions. The primary difference of the EMR V3 is its full-length M1913 picatinny rail at the 12 o'clock position. The machined M1913 section is ideal for attaching front sights lasers IR illuminators lights and any other optic or sling related M1913 compatible accessory. Specifications for ALG Defense Ergonomic Modular Railed Handguard -V3: Manufacturer: ALG Defense Color: Black Handguard Length: 15 in Package Contents: ALG Defense Ergonomic Modular Railed Handguard -V3 ALG Defense 05-323B: 15in Ergonomic Modular Railed Handguard - V3 Black 15in