The F-1 Firearms UDR-15 3G Style 1 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-15-3G Style 1 Upper receiver
- UDR-15-3G Style 1 Lower receiver
- 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
- Screws included for bolt catch, receiver tensioning, take-down pin detent and trigger adjustment
- 60° beveled magwell
- Black - Type III Class 2 hard anodizing
- F-1 Firearms 100% Product Guarantee
- Please allow up to 10-14 business days for shipment
Due to the new laws in California we are not accepting full-build firearm orders placed after 12/08/2016 for customers within California. Chassis and receiver set sales are still available but will be required to be registered as a "featureless rifle". Contact your local FFL dealer for more information.