Ballistic Advantage BA15 AR-15 Stripped Lower Receiver

The Ballistic Advantage AR15 Lower Receiver (BA15) is a mil-spec stripped lower designed as the foundation for an AR-15 build. It is machined from 7075-T6 forged aluminum and finished with a hard-coat anodize for durable service life. The receiver includes features intended to improve fit and assembly with standard AR-15 upper receivers.

Key Specifications

• This is a Stripped Lower Receiver intended for AR-15 platform builds.
• The model is designated BA15.
• The receiver is machined from 7075-T6 forged aluminum.
• The surface has a Matte hard-coat anodized finish for corrosion resistance and low-reflectivity appearance.
• The listed caliber/gauge is Multi.
• The action category is Semi-Auto.
• The exterior color is Black.
• Includes a nylon-tipped upper tension screw to help ensure a tight fit with compatible upper receivers.
• Features a flared magwell to ease magazine insertion during assembly and handling.
• The rear takedown pin detent hole is threaded for a 4-40 set screw.

As a mil-spec foundation component, the BA15 stripped lower provides a dependable base for builders who prioritize material quality and fit. Its forged 7075-T6 construction and practical features such as the flared magwell and tension screw streamline assembly and integration with standard AR-15 parts, making it suitable for custom builds where core component durability matters.