F-1 Firearms UDR-15 UDR-15-3G-2-SET, 3g Type 2, Semi Automatic Lower/Upper Set,223 Remington/556Nato, Anodized Finish

F1 Firearms UDR-15 3G Style 2 Anodized Upper/Lower Rifle Receiver Set - The F-1 Firearms UDR-15 Style 2 Universal Receiver Set has newly designed skeletonizing and a scalloped MIL-SPEC 1913 Picatinny rail. This receiver is made with 7075-T6 aircraft quality domestic aluminum, ensuring quality while the new F-1 Firearms 3G skeletonizing reduces weight yet enhances aesthetics. UDR-15 Style 2 Universal Upper UDR-15 Skeletonized Universal Lower Manufactured from high-grade 7075-T6 billet aluminum Unnecessary surfaces milled out for lightest reliable configuration Scalloped top MIL-SPEC Picatinny rail Oversized trigger guard Front and rear take down pins included and installed