Choosing the Leupold PRW2 1" Weaver-Style Scope Rings for your rifle brings an unprecedented level of added strength, all while making the installation easier than ever. The rings are equipped with newly designed keeper systems that are simpler to install, and the rings themselves are machined from steel in the USA. The rings fit all QRW/PRW and other cross-slot bases on the market and are available in matte-black and gloss-black finishes, depending on ring height. Mfg: Leupold