*30% less weight with V2 split rail than regular MLOK !
This AR-15 Complete 6MM arc Bolt Action Style rifle length upper has a 20" heavy barrel with a 416R stainless steel finish with straight flutes, and features a 1:8 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 6mm Arc upper is compatible with any mil-spec AR-15 lower.
