Designed for use with M-LOKâ¢-compatible hand guards and fore-ends, the Magpul M-LOK⢠Polymer Offset Light Mount features 4 slots for attachment of MIL-STD-1913 Picatinny light and optic mounts (sold separately). Beveled ends and corners help reduce snagging and sharp edges. Attachment hardware included. Magpul M-LOK⢠Polymer Offset Light Mount Black - Shooting Supplies And Accessories at Academy Sports