Magnum Research Barrel, 22LR, 16.5" Carbon Weave Barrel, Black, 1/2 x 28Threaded Muzzle, For 10/22® Ruger®s ABAR1022GT Model: Caliber: 22 LR Barrel Type: Threaded Barrel Length: 16.5" Finish/Color: Black Fit: 10/22® Type: Barrel Manufacturer: Magnum Research Model: Mfg Number: ABAR1022GT