Talley Cz452, Cz455, Cz512, Cz513 (20moa) Picatinny BaseMade in America, Talley Manufacturings CZ Picatinny Rails, designed to fit CZ Rimfire Rifle (Models 452 American, 452 European, 455, 457, and 513), are machined entirely from high grade 7000 series alloy and protected with a hard coat anodizing to 65 Rockwell ensuring the craftsmanship of these Picatinny rails last the lifetime of your firearm. These CZ Picatinny Rails are all designed and manufactured with precision to fit your firearm with the