Browning X-Bolt Trigger Upgrade- Nearly a 50% X-Bolt Trigger Pull Reduction. Tikka T3x Trigger Upgrade- Over a 50% Tikka T3x Trigger Pull Reduction. Bolt and Barrel Comparison: Tikka T3x has Fluted Barrel options from the factory. Most lengths are 20", 22.5", 23.5", 24.5". Remember ...