AR-15 Lowers

.50 Beowulf® | AR-15 Lowers
All .50 Beowulf® lower receiver assemblies are fully-complete, function-tested, and ready to fire. All available products and options are visible in the Online Store. We do not produce custom weapons.
Alexander Arms® .50 Beowulf® complete AR-15 lower receiver assembly. This item features a rifle-length receiver extension, A2 buffer and spring, A2 buttstock, pistol grip, and a standard AR-15 military-style trigger. The lower receiver features caliber engraving and a .50 Beowulf® serial number. This unit is 100% complete, is built on standard AR-15 specifications, and is compatible with any standard-specification upper receiver (no modifications required).