CZ 457 AmericanCZ 457 American Has Threaded Barrel (Cap on End) 24" Barrel The classic American style rimfire rifle, this gorgeous 457 has no sights and is meant to be topped with a scope. Its Turkish walnut stock has a high, flat comb and a classic checkering pattern. Like all of CZ's 457s, it has an 11mm dovetail milled into the top of its receiver for attaching scope ringmounts. If CZ were to pick one thing that their previous rimfire platforms was lacking, it