TAPCO 10/22 Carbon Fiber Drop-In Black Barrel - Threaded - Upgrade your Ruger(R) 10/22 rifle with the TAPCO 10/22 Carbon Fiber Drop-In Threaded Barrel. Threaded with 1/2 x 28 it provides compatibility with various muzzle devices, allowing for customization for your preference. Specifically designed for the .22LR caliber, this barrel is ideal for target shooting, plinking, and small game hunting. With a Bentz Chamber design, you have a better bullet-to-chamber fit. Plus, the black carbon accents will add to the overall design and look of your rifle. Drop-In 1/2 x 28 Thread Pitch Caliber: 22LR Bentz Chamber Length 16.5in Black Carbon Accents