CZ 457 Premium, Bolt Action, 22 LR, 24.8 Threaded Barrel, 1/2x20 Thread Pitch, Blued Finish, Walnut Stock, 5 Round 02371 A modern classic in the European style, the 457 Premium has all sorts of flair! Its Turkish Walnut stock has a decorative forend tip with schnabel, while its hog-back stock has a mild Monte Carlo and a cheekpiece. It's 24.8" barrel wears irons, with a tangent rear sight and a fiber optic front sight, while the muzzle is threaded 1/2x20 (a European standard).