At F1 Firearms, we understand the appeal of building your own custom sidearm, which is why our experts have hand-picked these Polymer 80 frames. We offer the most popular models and provide the local guidance to ensure a successful build, whether you’re a seasoned enthusiast or tackling your first 80% lower. Visit our Spring, TX showroom for hands-on advice and to see why our selection and gunsmithing support make the process seamless and rewarding.