This quality Weaver 1-Piece Top Mount Aluminum Base is available in a silver finish. The base attaches easily to your firearm and will not require modification. You will find that Weaver bases are available as a top or side mount as well as in one- and two-piece sets. The build and design provides operators with a mount that is secure and snug fitting to the bottom of their Weaver bases. This versatility with your firearm will allow you more time to enjoy your weapon and less time honing in your sights.