Lead Star Arms Grunt 15 Stripped Multi-Caliber AR-15 Lower Receiver

Engineered for strength, precision, and broad compatibility, the Lead Star Arms Grunt 15 Stripped Multi-Caliber AR-15 Lower Receiver is CNC machined from 7075-T6 aluminum forging to ensure consistent dimensional accuracy and long-term durability. The forged construction enhances structural integrity while maintaining a lightweight profile, making it well-suited for both duty-style and performance-oriented builds. Finished with a hardcoat anodized treatment for added resistance to wear and corrosion, this stripped lower features multi-caliber markings and standard AR-15 compatibility, allowing flexibility in selecting fire control components, receiver extension, and furniture. Designed as a solid foundation for custom configurations, it delivers reliable performance across a wide range of AR-platform builds.