American Defense Mfg UIC Stripped Lower – 5.56 NATO

The American Defense Mfg UIC stripped lower receiver is an AR-15 pattern lower machined from 7075-T6 billet and finished with a Type III Teflon-impregnated hardcoat anodize. It ships as a stripped lower but includes an installed milspec magazine release assembly and is equipped with ambidextrous controls for enhanced ergonomics. The design incorporates dimpled take down and pivot pins for secure, repeatable fitment. Intended for AR-15 build projects and upgrades, this lower is specified for use with .223 REM/5.56 NATO cartridges.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The action is Semi-Auto.
• The material is 7075-T6 billet aluminum.
• The finish is Type III Teflon impregnated hardcoat anodized.
• The color is Black.
• The model is UIC.
• The product type is Stripped Lower Receiver.
• Includes an installed milspec magazine release assembly.
• Features a proprietary ambidextrous magazine release and ambidextrous bolt catch/release lever.
• Includes dimpled take down and pivot pins for secure assembly.

Built with durable billet construction and a hardcoat anodized finish, the UIC stripped lower provides a solid, ergonomic foundation for custom AR-15 builds and upgrades. Its ambidextrous controls and attention to fitment details make it a practical choice for builders seeking reliable, long-lasting components without unnecessary embellishment.