Battle Arms Development WORKHORSE Forged 7075-T6 AR-15 Lower Receiver Assembly (Multi-Cal)
This AR-15 lower receiver assembly is built on the Battle Arms Development WORKHORSE forged 7075-T6 lower receiver with a Type III hard anodized flat black finish. The receiver features a broached magazine well, pictograph selector markings (marked for 90° safety or short-throw selectors), and Multi-Cal marking.
Receiver details include an easy-install set screw bolt catch pin system, a captured takedown pin detent spring retained by a set screw, and an upper/lower receiver tension screw. This unit includes a bolt carrier group, buffer spring, and buffer.