AR-15 6.5 Grendel 24" Bolt Action Upper Receiver

This AR-15 Complete 6.5 Grendel Bolt Action Style rifle length upper assembly has a 24" parkerized heavy barrel with a 1:8 twist rate. It includes an MLOK split rail, an M4 flat-top billet upper receiver, a bolt carrier group, a flash hider, and a right-side bolt action style charger. This 6.5 Grendel upper is compatible with any mil-spec AR-15 lower.