The new 10/22 TD barrels by Tactical Solutions are machined from 6061-T6 aluminum with a stainless steel shank, these barrels are designed to make your Ruger 10/22 Takedown rifle lighter and significantly more accurate. The new 10/22 TD barrel comes with the forend and locking mechanism assembled so all that you have to do is put your receiver into the Magpul Backpacker stock an you're good to go. The 10/22 TD comes with an adjustable rear sight and green fiber optic front sight. Add the new Tactical Solutions 10/22 TD to your factory Ruger 10/22 Takedown and make your rifle the perfect packing/prepping companion. Specifications: Barrel Only Weight: 18oz Stock and Barrel Weight 2.6lb Barrel Length: 16.5" Barrel O.D.(outside diameter): .920" Threads: 1/2"x28 Twist: 1:16