The Redfield 1-Piece Base with 3 Rings was machined for close tolerance, built from solid steel to ensure a lifetime of durability. If you are looking for a clean cut but durable one-piece scope mounting base, look no further than the Redfield 1-Piece Base with 3 Rings. Not only is the Redfield 1-Piece Base with 3 Rings built tough to stand the test of time, but it comes in a variety of sizes to accommodate your favorite rifle. Installation of this one-piece base is easy, because it includes all of the hardware you need - what more could you ask for?