DANIEL DEFENSE DDM4A(R) V1 5.56X45MM NATO SEMI-AUTO RIFLE The DDM4 V1 AR15 style firearm is built with a Cold Hammer Forged 16 inch M4 Profile barrel with a Carbine gas system and Daniel Defense Forged Front Site Post. The 12 inch picatinny quad rail allows the operator to mount a weapon light or aiming device forward of the front sight for optimal ergonomics and a clear line of sight. Quick disconnect attachment points are integrated to the front and back on both sides of the rail for fully ambidextrous sling attachment. The new independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. This rifle also comes with the ergonomic Daniel Defen Mfg: Daniel Defense