IMI Defense 7 Notch M-LOK Rail Section Polymer Black. Specifications for IMI Defense 7 Notch M-LOK Rail Section: Manufacturer: IMI Defense Finish: Matte Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Gun Model: AR-15 Length: 2.76 in Features of IMI Defense 7 Notch M-LOK Rail Section Made from high quality temperature resistant polymer compound Captive Allen mounting screws Tight fit profile alignment stud for solid attachment and recoil absorption Mil-Spec 1913 Picatinny rail profile Compatible with M-LOK Package Contents: IMI Defense 7 Notch M-LOK Rail Section IMI Defense 14470: 7 Notch M-LOK Rail Section Polymer Black