Battle Arms Development Workhorse WH556-LR, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish

Overview

The Battle Arms Development Workhorse WH556-LR is a stripped lower receiver designed for the AR-15 platform. Machined from high-strength 7075-T6 aerospace-grade aluminum, it features a durable Type III hard anodized flat black finish. This receiver is built to Mil-Spec standards and includes multi-caliber markings for build versatility. The Workhorse lower is engineered with a broached magazine well and includes several features to simplify the assembly process, such as an easy-install set screw for the bolt catch pin and a captured takedown pin detent spring secured by a 4-40 set screw. Additionally, an upper/lower receiver tension screw is included to ensure a consistent, tight lockup between the lower and any compatible Mil-Spec upper receiver. As a serialized firearm component, this receiver requires an FFL transfer.

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