Perfect companion to any single stage press. Features anew one-piece primer tray with an improved retaining system for the lid. Integral molded bushings for ultra reliable function. Also eliminates the need for separate primer bushings. Comes with an additional tray designed for use with RCBS shell holders. Body has been modified for easier change-over. Seater punch and spring are captured inside the priming tool, allowing shell holders and primer trays to be changed without removing spring and punch.