Upgrade your AR with Daniel Defense's Modular Float Rail or MFR Handguard! It comes outfitted with M-LOK attachment point for the installation of tactical lights/lasers and fore-grips, as well as a flattop picatinny rail for use with optics. The MFR also includes sling swivel attachment points on both sides for ambidextrous use, and a sleek bolt-up system provides enhanced strength and a reduced overall diameter to make the rifle easier to control.