Bergara Premier Series, Long Action, Magnum Bolt Face, .540, Stainless Finish, Silver BPLA Bergara's Premier Actions are precision-crafted in the USA from 416 Stainless Steel, designed to fit most Remington 700 style stocks and chassis. These actions feature an enlarged bolt handle, spiral-fluted body, dual ejector, sliding plate extractor, and compatibility with Rem 700 style scope bases with an 8-40 screw pattern, and they accept Rem 700 triggers for enhanced versatility.