HANDGUN PARTS

Centennial Defense Systems provides a vast range of aftermarket handgun parts to enhance your firearm’s performance. Whether you own a Glock, Smith & Wesson, or Polymer 80, we offer parts designed for durability and precision. Our selection includes upper and lower parts kits, recoil springs and guide rods, all engineered to improve your handgun's function and reliability. Looking for a firearm upgrade or customizing your firearm? Our parts are built for performance and safety, giving you the tools to personalize your handgun. Browse and shop easily through our online store, with dedicated support to help you find exactly what you need. Experience the difference for all your firearm accessories.