*30% less weight with V2 split rail than regular MLOK !
This AR-15 complete 12.7x42 Bolt Action Style rifle length upper has a 16" heavy barrel with a parkerized finish and features a 1:20 twist rate. It includes the V2 15" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a bolt carrier group, a flash hider, and a right-side bolt action style charger. This 12.7x42 upper is compatible with any mil-spec AR-15 lower.
