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Enjoy Our Extended FREE RETURNS
We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended
Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended
return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later).
We'll even cover the cost of return shipping. Learn more about our
Return Policy.
Upgrade with Centennial Defense Systems: Upper & Lower Parts, Guide Rod Assembly, Extended Control Kit and Other Tactical Parts.
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Upgrade with Centennial Defense Systems: Upper & Lower Parts, Guide Rod Assembly, Extended Control Kit and Other Tactical Parts.
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Shop Centennial Defense Systems Premium Parts – Up to 32% Off!
Explore the extensive range of Centennial Defense Systems products at OpticsPlanet! Specializing in high-quality Extended Control Kits, Upper and Lower Parts, and Guide Rod Assemblies, Centennial Defense Systems offers top-notch components to upgrade your gear.
Take advantage of up to 32% off on a wide selection of Centennial Defense Systems parts and accessories. Shop now and enjoy free shipping on orders over $49. Enhance your setup with premium parts from Centennial Defense Systems at OpticsPlanet today!
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