The Samson RSR attaches easily with no modifications or permanent changes to your firearm and is compatible with any AK with a rear sight mount. Use the rail to mount to mount a red dot sight and still have the capability of using iron sights with the "see through underside of the rail. The underside of rail is notched for use with front irons on your AK47. In no time at all you can install the Samson Rear Sight Rail and add a rock solid optics mounting system to your weapon.