Colt M4 Monolithic .223 Rem/5.56 AR-15 Carbine - LE6940

The advantage of the LE6940 is unmatched. The LE6940 displays fresh ingenuity with mil-spec hammer and trigger pivot pins, a magpul MBUS iron sight and a folding front sight for enhanced optical solutions, a straight gas tube and a removable lower rail which provides modularity for under mounting accessories. The patented 1-piece monolithic upper receiver incorporates a continuous mil-spec rail from the rear of the upper receiver to the front sight. This feature affords unmatched repeatability f