Upgrade your airgun with a modern optic solution—no steel breech required. The Picatinny Red Dot Mount Rail for models 2240, 1322, 1377, 1399, and 362 airguns replaces the factory rear sight and instantly adds a standard Picatinny rail for mounting red dot optics. Designed for quick, hassle-free installation, this rail lets you bring your airgun into the 21st century without expensive upgrades or permanent modifications. Perfect for plinking, target shooting, or backyard fun, this mount allows you to install popular red dot sights such as the Trijicon RMR-style optics and other compatible micro red dots. Simply remove the rear sight, install the rail in its place, and you're ready to go—no gunsmithing required. No steel breech needed. No complicated setup. Just better shooting.