F-1 Firearms UX-9 Skeletonized 9MM Upper Receiver

Features:

• Skeletonized design milled out unnecessary surfaces for lightest reliable configuration
• Scalloped top Mil-Spec Picatinny rail
• Made in the U.S.A

Specifications:

• Material: 7075 Billet Aluminum
• Finish: Type III Class 2 Hard Coat Anodized
• Weight: 7.2 oz.

Compatibility:

• 9mm AR lowers