Complete AR-15 upper half, with bolt carrier group and charge handle. 15" M-LOK HandguardFlattop upper receiver with picatinny rail16" Light Weight Profile barrel with 1:7 twist and 5.56 NATO caliber (so it can shoot 5.56 or .223 Rem).Mid length gas system
Includes white T-markings, forward assist, M-4 cuts, and ejection door
Compatible with any mil spec lower receiver, not just Del Ton brandPart No. DT1040UPC 848456003165