Ruger AR-15 Stripped Lower Receiver 28500, Black Anodized

Description

This Ruger stripped lower receiver is intended for use in AR-15 style builds and upgrades. Machined from 7075-T6 forged aluminum to mil-spec tolerances, it provides a durable, serviceable platform for a custom build. The receiver is finished in black anodize and includes features intended to improve fit and function during assembly. This offering is a stripped lower receiver and does not include fire-control components, buffer assembly, or other parts required to complete a firearm.

Key Specifications

• This product is a Stripped Lower Receiver intended for AR-15 style builds.
• Manufacturer listed as Ruger / Sturm, Ruger & Co.
• Referenced as Model 28500 in manufacturer materials.
• Machined from 7075-T6 forged aluminum using mil-spec tolerances.
• Finished with a black anodized coating.
• Includes a broached magwell for magazine fitment.
• Features a full cut fire control pocket inlet.
• Incorporates an adjustable tension screw to minimize play between upper and lower receivers.

Built for builders who prefer a solid starting point, this Ruger lower pairs forged construction and targeted fitment features to simplify assembly and improve receiver alignment. Its durable finish and machined details make it a practical choice for a wide range of AR-15 projects.