This is a Bravo Company known as the Polymer KeyMod Rail (PKMR), model BCM-PKMR-CAR-BLK.
Bravo Company's BCMGUNFIGHTER PKMR (Polymer KeyMod Rail) Carbine Length is a direct replacement handguard featuring a simple drop in design. It is for mil-spec" M4 type AR15's with a carbine length gas system and mil-spec front sight base. With its natural ergonomics" it is slim" comfortable and lightweight. It has an aggressively textured area for enhanced traction and a reinforced KeyMod interface for durable accessory support. The aluminum heat shield reduces heat transfer to the handguard and shooters hand. Made in the USA.
Features:
Three six-hole KeyMod mounting surfaces (10:30 1:30 and 6:00);The PKMR will only fit a round carbine type handguard retaining cap
