The most technologically advanced hand guard on the market today. The ZEV Technologies Wedge Lock Hand Guard attaches to the receiver via an innovative system built around a two-piece Wedge Lock system that tightens down securely with only one screw. Machined from aircraft grade aluminum to keep the wall thickness thin"" but still strong enough for any environment. The narrow cross-section of the hand guard provides for an excellent ergonomic grip while the M-LOK negative space mounting system provides a smooth"" hand-friendly surface in place of Picatinny rails.