The Optics Mount Top Plate is the perfect compliment the Renegade forearm, and the top plate bolts securely onto the gas tube and allows mounting of various optics in a co-witness plane. Multiple models are available including the Burris Fastfire top, Picatinny top plate and the Aimpoint Micro/Primary Arms Micro top plate. FOUR OPTIONS ARE AVAILABLE: 1. Aimpoint Micro/Primary Arms top plate: Works with Aimpoint Micro and most Aimpoint Micro Clones including the Primary Arms model MD-ADS and MD-RBGII. 2. Burris Fastfire top plate: Works with the Burris Fastfire 3. Picatinny top plate: Includes the Burris Fastfire top cover and a bolt on 5 slot picatinny rail segment which attaches to the Burris Fastfire top plate and allows you to mount any picatinny based optic. Please note that you will not be able to co-witness with the iron sights when using the picatinny rail and mount. 4. Picatinny rail only: Just the picatinny rail segment that can mount to the top of the Burris Fastfire top plate (for those who already have a Burris Fastfire top plate and wish to mount a picatinny based optic) The Optics Mount Top Plate for Yugo AK will fit all models of Yugo M92 and M85 PAP pistol and rifle, and is proudly made in the USA. Optics Mount Top Plates are made of 6061 anodized aluminum and come with the top plate, two "U" mounting brackets, 6-32 screws, allen wrench, and instructions for installation and are proudly made in the USA. Optics Mount Top Plates are only intended to be used with the Renegade polymer lower forearm. THE OPTICS MOUNT TOP COVER SHOULD NOT BE USED ALONE, IT SHOULD ONLY BE USED WITH THE RENEGADE FOREARM. OPTICS MOUNT TOP COVERS ARE ONLY AVAILABLE SEPARATELY FOR THOSE WHO HAVE ALREADY PURCHASED THE POLYMER LOWER!