CMC Triggers 81722 MLok Rail 5 Slot Black MLok Rail 5 Slot Designed For Use With All M-LOK Compatible Handguards And forends, M-LOK Aluminum Rail sections Allow The Attachment Of Various 1913 Picatinny Spec Rail-Mounted Accessories Such as Lights, Vertical Grips, Etc. Machined From milspec anodized Aluminum, M-LOK Rail Sections Also Feature beveled ends To Reduce Snagging And Eliminate Sharp corners And edges. All Hardware Necessary For Attachment Directly To M-LOK Slots. Type: Picatinny Rail Model: MLok Rail Material: Aluminum Finish: Black Anodized