The SIG P226 TB (Threaded Barrel) features a factory 4.9-inch threaded barrel extending beyond the slide for direct suppressor attachment, combined with suppressor-height SIGLITE night sights. The TB variant is the suppressor-host configuration of the standard P226 Nitron, offering DA/SA operation and full-size 15-round capacity. A rail-equipped frame allows weapon light mounting alongside a suppressor. Type: Pistol Action: DA/SA Caliber: 9mm Capacity: 15 Year introduced: 2014, USA Weight: 34.5 oz Overall length: 8.2" Status: Active Intended use: tactical, duty