Battle Arms Development Workhorse Upper Receiver, Aluminum OD Green Anodized - WH556-URS-ODG

The Battle Arms Development Workhorse is a complete upper receiver assembly constructed from aluminum with OD green anodized finish, designed for AR-15/M4 platforms in 5.56 NATO. This upper receiver features precision machining and is compatible with standard AR-15 components. Installation requires mating with a compatible lower receiver and bolt carrier group.