This is a Tactical Solutions Barrel known as the X-Ring, model 1022TD-MB.
X-Ring .22LR barrels are the highly accurate" premium" rimfire replacement bull barrels for the Ruger(R) 10/22 Takedown(R). The TacSol X- Ring Takedown barrels perfectly fit the .920" diameter Magpul(R) and Hogue(R) Takedown stocks. These barrels come fully assembled with the standard Ruger(R) 10/22 Takedown(R) locking mechanism" making the switch from the factory barrel a simple and easy.
Features:
16oz weight
1/2X28 thread pitch
1:16 rifling
