TAPCO 10/22 Carbon Fiber Drop-In Patriot 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 red, white, and blue carbon accents will add a touch of patriotism to your firearm design and the overall look of your rifle. Drop-In 1/2 x 28 Thread Pitch Caliber: 22LR Bentz Chamber Length 16.5in Red, White, and Blue Carbon Accents