Accessory for the latest TM product, the AK74MN with the recoil engine, available at Redwolf Airsoft... "This scope mount is from Tokyo Marui for AK74MN, and is made of Aluminum which is light an has high durability. Using the side lock system, which makes it easy to fit onto your AK74: Just flip the lock lever and then slide it to your side mount base of your AK74, and it's done! You can simply adjust the tension of the lock lever by adjusting the screw of it. The Length of the rail is 20mm."