BSA's 17 Super Mag Scope is designed specifically for the Winchester 17 Super Mag cartridge. It features a patent pending ballistic ranging reticle engineered for the 20 GR and 25 GR bullet and fast focus with 44mm adjustable objective. Products adhere to BSA Optics rigorous quality standards while offering outstanding performance and optics clarity. This model features a whopping 6-24x magnification and comes in a clamshell package.