GoGun Reflex Red Dot Sight

GoGun's Reflex Red Dot Sight is the perfect companion for your Huben GK1 or other Airgun. It's lightweight and durable, equipped with a 3MOA red dot sight for a comfortable sight-in and shooting experience.  The design of this optic was chosen specifically to compliment the contours of the Huben GK1 Air Pistol. It is designed to fit on any Picatinny rail system, but the clamps can be removed and this sight can be paired with our Huben GK1 Sight Mount to provide a sleek and seamless look to your Huben GK1 with red-dot sight.  Battery Size: CR1632 Compatibility: Picatinny rail RMR footprint mounting patterns, like our GK1 Rear Sight Mount Package Contents: Reflex Sight mounted to Picatinny attachment Flat Head Wrench (for opening battery tray & adjusting sight) T10 Torx Wrench for mounting 3x T10 Screws - #6-32 x .374" - 9.5mm long  3x T10 Screws - #4-40 x .250" - 6.35mm long 3x T10 Screws - M3.5 x .6 - 10mm long Microfiber Cleaning Cloth Additional Videos: Battery Installati