The F-1 Firearms Lefty UDR-15 3G Style 2 Universal Upper Receiver brings skeletonizing to the left-handed shooter market. The universal upper receiver is made with 7075-T6 aircraft quality domestic aluminum, ensuring quality, and offers the new F-1 Firearms 3G skeletonizing for reduced weight and aesthetics.

• Manufactured from high-grade 7075-T6 billet aluminum
• Unnecessary surfaces milled out for lightest reliable configuration
• Scalloped top MIL-SPEC Picatinny rail
• Black - Type III Class 2 hard anodizing
• Currently only available in a matte finish.
• F-1 Firearms 100% Product Guarantee