Glock 21

Enhance the performance and reliability of your Glock 21 with high-quality accessories from Centennial Defense Systems. Designed for power and precision, the Glock 21’s .45 ACP caliber benefits from precision upgrades that improve handling, function, and durability. Our selection includes extended slide releases for smooth, quick operation, and extractors for reliable cycling. Upgrade your recoil management with guide rod recoil springs that reduce muzzle flip and improve follow-up shot accuracy. Each accessory is engineered for seamless compatibility and built with premium materials for long-lasting performance. 

Fine-tune your Glock 21 with parts that deliver the performance you demand. At Centennial Defense Systems, we offer trusted tools and upgrades to maximize your Glock 21's potential, ensuring peak performance with every shot.