Features: Direct replacement handguard featuring simple drop in design For Mil-Spec, M4 type AR15's with a carbine-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 3, 6-hole KeyMod mounting surfaces (10:30, 1:30, and 6:00) Aluminum heat shield reduces heat transfer to the handguard and shooters' hand The PKMR will only fit a round carbine type handguard retaining cap Made in USA