Battle Arms Development Workhorse Upper Receiver is made from high
quality materials that will supply long lasting durability. Top notch cut to match WORKHORSE and RIGIDRAIL handguard aesthetics. The Workhorse series offers an amazing value.
- Made from 7075 - T6 aluminum
- Type III hard coat anodized
- Matte black finish
- M4 Feed Ramp
- Does not include ejection port or forward assist.