Features: Direct replacement handguard featuring simple drop-in design For AR-15's with a mid length gas system and Mil-Spec front sight base Natural ergonomics, slim, comfortable and lightweight Aggressively textured area for enhanced traction REINforced KeyMod interface for durable accessory support Three, 6-hole KeyMod mounting surface (10:30, 1:30, and 6:00) Aluminum heat shield reduces heat transfer to the handguard and shooter's hand The PKMR will only fit a triangle M16 type hand guard retaining cap Patent pending design Made in the USA