The Ruger AR-15 Stripped Lower Receiver is machined from 7075-T6 forged aluminum and finished in black anodizing. Designed for 5.56/.223 applications, it provides a solid foundation for an AR-15 project with mil-spec tolerances and an adjustable tension screw.

Key Specifications

• The product type is a stripped lower receiver for AR-15 applications.
• The listed caliber/gauge is 5.56/.223.
• The receiver uses 7075-T6 forged aluminum.
• The finish is black anodized.
• The listed action is semi-automatic.
• The receiver features a broached magwell.
• The fire control pocket has a full-cut inlet.
• An adjustable tension screw helps minimize or eliminate play between the upper and lower receivers.
• The receiver is manufactured using mil-spec tolerances.
• The listed weight is 0.6 pounds, with a shipping weight of 0.7 pounds.

With its forged aluminum construction, practical receiver features, and adjustable fitment support, this Ruger stripped lower receiver is a straightforward foundation for an AR-15 build.