The Palm Handguard 15″ free float tube features a triangular profile that conforms to the palm of your hand, giving you a secure and comfortable grip on your rifle. The Palm Handguard provides a full length Picatinny top rail and M-LOK slots along both upper sides, as well as a row of M-LOK slots along the bottom to accommodate accessories such as a bipod. The lower sides are adorned with the Luth-AR Double L and Cartridge cooling cuts to further reduce weight and to provide heat dissipation with a distinctive good look.