This Handguard is compatible with mil spec AR-15 picatinny rails.

Don’t sacrifice functionality to have a lightweight handguard!  The R-15 is a free floating hanguard with a split picatinny rail, M-LOK slots at the 3, 6, and 9 o’clock positions and two quick detach sling mounts at 3 and 9 o’clock . Designed for functionality. Made with ROAM Magnesium. Protected with Tagnite and Cerakote.