Redding Reloading 327 Federal Magnum Seating Die Steel Small. The cutting stem is replaceable and the base (stator) arm is adjustable. This is accomplished by simply turning the adjustment screw until the desired amount of backspace is obtained. Why would you ever want to buy another seater die? The first one you buy will be the seater die you use the most. Second you will want the one you need. If not you need to buy a more complicated design. That is just what you'll find with this Redding seater die. Why would you buy this Redding backset seating die? Because the seating stem extends only as far as the tallest setting in the Redding Seating Die. Third because seating stem extends only as far as the tallest setting in the Redding Seating Die; cutting a seater die requires a longer rammer than standard dies. Because of this many reloaders choose to buy this seater die in sets of two. Specifications for Redding Reloading Seating Die: Manufacturer: Redding Reloading Quantity: 1 Features of Redding Reloading Competition Seating Die Series A Precision fitting spring-loaded seating stem is allowed to move down into the chamber of the die aligning the bullet and cartridge case well in advance of bullet seating. Package Contents: Redding Reloading Seating Die Redding Reloading 92195: 327 Federal Magnum Seating Die Steel Small