The CZ 457 American SR Barrel Set in 17HMR features a 20-inch nitride-treated barrel, offering superior durability and corrosion resistance. This barrel set is designed for precision shooting, providing excellent accuracy and consistency. Perfect for varmint hunting and target shooting, the CZ 457 American SR Barrel Set ensures reliable performance with its robust construction and high-quality materials. Upgrade your CZ 457 rifle with this premium barrel set to experience enhanced shooting capabilities. CZ-USA American 457/455 .17 HMR 20" Suppressor-Ready 1/2x28 Nitride Barrel Set 00313