The BSA Sweet 17 3-9x40mm AO Matte Black Rifle Scope is crafted to enhance your shooting precision with the .17HMR cartridge. Featuring a versatile 3-9x magnification range this scope allows you to easily adjust your focus with its side parallax adjustment from 10 yards to infinity. The fully multi-coated lenses ensure optimal light transmission providing bright and clear images in various lighting conditions. Its 30/30 Duplex reticle offers precise targeting while the waterproof fogproof and shockproof construction ensures durability in challenging environments. With a 1-inch tube diameter and lightweight design it's a reliable companion for any shooting adventure.