More than a tack driver. It is always fun to shoot an SA-22 because they are so darn accurate and reliable. But sometimes a scope would be handy, especially for small game and varmints. With this base you can convert yours over in just a few minutes. Mounts on the barrel and cantilevers reward to preserve the accuracy of your sight-in. Features:Sleek elegant designBuilt from aircraft alloy and feature a slimmer design to match the sleek looks of the Browning SA22 Double recoil shoulder design holds rings securely, even under heavy useSA-22 one-piece bases are alloy and are only compatible with Browning rimfire rings