CMMG EML 4 AR-15 Handguard Kit Tungsten. Featuring an incredibly lightweight design and superior ergonomics the EML4 Handguard is where beauty meets functionality. Each AR15 EML4 handguard is made from aircraft grade 6061-T6 aluminum with M-LOK slots at the 3 6 and 9 oclock positions and a full-length picatinny rail on top maximizing accessory space even in the shortest variety of our handguards. Specifications for CMMG EML 4 AR-15 Handguard Kit: Manufacturer: CMMG Fabric/Material: 6061-T6 Aluminum Gun Make: CMMG Gun Model: CMMG Mk4 Gun Type: Rifle Gun Rail: M-LOK Condition: New Mount Type: M-LOK Package Contents: CMMG EML 4 AR-15 Handguard Kit Barrel nut Retention key Screws CMMG 55DA404-TNG: EML 4 AR-15 Handguard Kit Tungsten