Manufacturer: ProMag PM003
ProMag, AR-15, Aluminium Handguard, Picatinny Rail, Black.
This 6" aluminum Picatinny rail attaches to M4/M16 rifle or carbine handguard using three screws. The rail allows attachment of vertical foregrips, flashlights, lasers, bipods and other accessories. Manufactured from hard anodized aircraft grade aluminum. All hardware included. No permanent modification or gunsmithing is required. Lifetime warranty from Promag.
These are not for the skinny CAR style handguards.