F-1 UDR-15 3G STYLE 2 RECVR SET BLK

F-1 Firearms UDR-15, 3g Type 2, Semi Automatic Lower/Upper Set,223 Remington/556Nato, Anodized Finish, Black, Skeletonized Relief Cuts, Oversized Trigger Guard UDR-15-3G-2-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.