Adding these Leupold QRW2 1" Quick-Release Scope Rings to your rifle will make zeroing and securing any optic a cinch. The rings are machined from steel and fit all QRW/PRW bases and any other cross-slot bases on the market. The rings can be had in gloss, matte-black and silver finishes and feature an all-new design that makes it easier to install the ring tops. The rings are made in the USA.