*Tungsten Cerakote done in-house
*30% less weight with V2 split rail than regular MLOK !
This AR-15 complete 5.56 NATO rifle length upper has a 16" M4 contour barrel with a parkerized finish and features a 1:7 twist rate, with a mid-length gas system. It includes the V2 15" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a bolt carrier group, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower.