Tikka T3X Ace Game, Bolt Action Rifle, 223 Remington, 20 Threaded Barrel, 5/8-24 Thread Pitch, Modular Chassis, Cerakote Finish, Black, 5 Rounds JRTXAGB31220 The Tikka T3x Ace Game rifle is built on the same modular chassis as the T3x Ace Target, making it an ideal companion for both tactical precision shooting and hunting. The difference is that T3x Ace Game has a fluted medium contour barrel, which is light enough to make the rifle easy to carry during long hunts or competitions, with caliber options ranging from .223 Rem to .300 Win Mag. The rifle also features a 5/8"-24 muzzle thread.