F1 Upper Receiver
F 1 firearms have some of the most innovative ar 15 parts.
F1 upper receiver. Every f 1 firearms universal lightweight upper receiver is made with precision cnc machining and selective skeletonizing for the lightest weight. This upper receiver is also universal which makes it compatible with any mil spec lower out there. The upper receiver is made with 7075 t6 aircraft quality domestic aluminum ensuring quality and offers the signature f 1 firearms 3g skeletonizing for reduced weight and aesthetics. Shop f1 firearms products at primary arms and get the best prices and customer service.
Your rifle will look and feel amazing when you customize with the f 1 firearms udr 15 3g universal mil spec upper receiver. F 1 firearms passes on the traditional forward assist but includes a full length picatinny rail. The f 1 firearms udr 15 v2 3g 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.
Even with this trade off the f1 skeletonized upper receiver is crazy light.