New for 2017 are the highly accurate replacement bull barrels for the Ruger® 10/22 Takedown®. The TacSol Takedown barrels perfectly fit the .920 diameter Magpul® and Hogue® Takedown stocks. These barrels come fully assembled with the standard Ruger® 10/22 Takedown® locking mechanism making the switch from the factory barrel a breeze. – Weight: 16oz – Length: 16.5 – O.D.(outside diameter): .920 – Threads: 1/2×28 – Twist: 1:16 – Silver Takedown Bull Barrel