C&H Precision Picatinny Mount Red Dot Optic Mount adapts standard Picatinny rail sections to accept Holosun 407K and 507K footprint red dot optics. Precision-machined from lightweight aluminum with a sleek black finish, this 2-inch adapter provides a low-profile, secure mounting platform for compact reflex sights. Weighing just 0.13 lbs, it adds minimal bulk to your firearm setup. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.