The Battle Arms Development Workhorse, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-LOK is an upper receiver for AR-15. Built to the manufacturer’s specifications and sold by WBT Guns, a California FFL dealer since 2012.
Specifications
- Brand: Battle Arms Development
- Fits: AR-15
- Caliber: .223/5.56
- Color: Black
- Barrel Length: 16 in
- Manufacturer Part #: WH-UR16B-Y-15
- UPC: 810033786150