Alexander Arms 6.5 Grendel Tactical Complete AR-15 Lower Receiver Assembly

Alexander Arms® 6.5 Grendel Tactical AR-15 lower receiver assembly. This item features a carbine-length receiver extension, adjustable M4-style buttstock, H2 buffer and corresponding spring, standard military-style trigger, and A2 grip. The lower receiver features caliber engraving and a 6.5 Grendel serial number. Weight of lower is 2.2 pounds. This unit is 100% complete, is built on standard AR-15 specifications, and is compatible with any standard-specification upper receiver (no modifications required).