UDR-15 Style 1 Universal Upper Receiver

The F-1 Firearms UDR-15 Universal Upper Receiver is the best of both worlds. The upper receiver is made with 7075-T6 aircraft quality domestic Aluminum ensuring quality and offers the signature F-1 Firearms skeletonizing for reduced weight and aesthetics...

UDR-15 Style 2 Universal Upper Receiver

The F-1 Firearms UDR-15 Style 2 Universal Upper Receiver has 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...

UDR-15 Skeletonized Lower Receiver

The F-1 Firearms UDR-15 Universal Lower Receiver is made with 7075-T6 aircraft quality domestic aluminum, ensuring quality, and offers F-1 Firearms skeletonizing for reduced weight and aesthetics. Manufactured from high-grade 7075-T6 billet...

UDR-15 Skeletonized Complete Upper

Looking for a complete upper that looks as good as it performs? This complete upper, built off of our universal upper receiver - the UDR-15 3G, is the one you want. The upper receiver is made with 7075-T6 aircraft quality domestic aluminum ensuring...

UDR-15 Style 2 - Complete Upper

This complete upper, built off of our NEW style 2 universal upper receiver - the UDR-15 3G Style 2, has all the performance and style you've come to expect from our products! The upper receiver is made with 7075-T6 aircraft quality domestic aluminum...

UDR-15 Lefty Style 2 Skeletonized Upper Receiver

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...

UDR-15 Style 2 - Skeletonized Complete Pistol Upper

This complete pistol upper, built off of our NEW style 2 universal upper receiver - the UDR-15 3G Style 2, has all the performance and style you've come to expect from our products! The upper receiver is made with 7075-T6 aircraft quality domestic...

UDR-15 Lefty Style 2 - Skeletonized Complete Upper

Finally, for the left-handed shooters out there! This complete upper, built off of our NEW style 2 universal upper receiver - the UDR-15 3G Style 2, has all the performance and style you've come to expect from our products! The upper receiver is...

UDP-9 3G Skeletonized Pistol Caliber Complete Upper

The F-1 UDP-9 Skeletonized Upper Receiver; Designed to cosmetically flow directly into our new ultralight P7 Rail System, is now available as a complete upper half. Designed specifically for PCC, our Upper Receiver maintains the design and flow F-1 is...