LanTac USA Upper Advanced Receiver – Milspec Type3, Class2 Hardcoat Anodized, Includes CP-R360 Domed Head Cam Pin, Black (LA00221)

• AR15 upper receiver designed for smooth bolt carrier operation and reduced friction
• Machined from billet 7075 T6 aluminum for strength and durability
• Type 3 Class 2 hardcoat anodized finish in deep black color
• Includes CP R360 domed head cam pin for enhanced internal movement
• Precision machined bore improves surface smoothness and cycling performance
• Integrated machining ensures concentric barrel alignment and consistent assembly fit

The LanTac USA LLC Upper Advanced Receiver LA00221 is an AR upper receiver designed for assembling AR-platform rifles with a precision-machined billet aluminum housing.

This upper receiver is machined from certified 7075-T6 aluminum and finished with Type III Class 2 hardcoat anodizing in deep black. It includes a CP-R360 domed head cam pin as part of the SMOOTHCAM system for reduced internal friction. The receiver features a proprietary bore with a 16 micro-inch surface finish and integrated machining of barrel nut threads, bore, and barrel extension surfaces in a single operation. In standard configurations, this design maintains concentric alignment between components. This product is used for AR rifle upper assembly where billet construction, anodized finish, and precision internal geometry are required.