The Aero Precision M4E1-T Pro Upper Receiver Group 14.5 KB is built for shooters who want a refined, ready-to-build AR-15 upper with dependable performance. This complete upper uses Aero Precision’s M4E1-T Pro configuration, pairing a 14.5 inch barrel with a precision-fit upper receiver to deliver consistent accuracy and smooth operation when matched with a compatible lower.

Designed as a firearm accessory rather than a complete rifle, this upper receiver group is ideal for assembling a custom AR or upgrading an existing platform. The 14.5 inch barrel offers a balance of maneuverability and ballistic performance for range use, training, and general-purpose shooting. Aero Precision is known for careful machining and thoughtful design, giving this upper receiver group a solid foundation for a reliable, well-built rifle project.

• Manufacturer: Aero Precision
• Model: M4E1-T Pro Upper Receiver Group 14.5 KB
• Product Type: Upper Receiver Group
• Barrel Length: 14.50"
• Caliber: 5.56x45mm NATO