Daniel Defense DD4 RIII, Semi-automatic Rifle, AR, 223 Remington/556NATO, 16 Cold Hammer Forged Barrel, Anodized Finish, Black, Daniel Defense Grip, Black Daniel Defense 12.5 RIS III M-LOK Rail, Daniel Defense Stock, Midlength Gas System, Ambidextrous Lower, 32 Rounds, 1 Daniel Defense Magazine 02-191-10750-047 This lighter weight, fully ambidextrous version of their industry-standard DDM4 offers right- and left-handed shooters with even more flexibility and control. A 12.5" RIS III rail provides easy attachment/detachment of M-LOK accessories, and a mid-length gas system provides smooth, reliable cycling while also reducing perceived recoil and wear and tear on parts.