*30% less weight with split rail than regular MLOK
This AR-15 Complete .300 Blackout Bolt Action Style pistol length upper has a 6" heavy barrel with a Parkerized finish and features a 1:8 twist rate. It includes the V2 5.8" MLOK split rail, an M4 flat-top 4150 Chrome Moly Vanadium upper receiver, a bolt carrier group, a flash hider, and a right-side bolt action style charger. This .300 Blackout upper is compatible with any mil-spec AR-15 lower.
