The STK100 boasts a 4.5-inch barrel, perfectly balanced to provide you with the accuracy you desire. It's not just about power, but also about precision, and this pistol delivers both in spades. But that's not all! The STK100 is also optics ready. This means you can easily customize it with your preferred optics, enhancing your shooting experience and making it truly your own. Whether you're a seasoned shooter or a beginner, this feature allows you to tailor your STK100 to your specific needs and preferences. In a nutshell, the ROCK ISLAND ARMORY STK100 is more than just a pistol. It's a testament to superior design and craftsmanship, a tool that will not only meet but exceed your expectations. So why wait? Find your ROCK ISLAND ARMORY STK100 on GunMade.com, the largest online gun search engine for new and used gun prices. Your perfect gun is just a click away!