Weaver rail for AKM can be installed on original receiver cover of VPO-133 (Akm) and VPO-136 (Ak-47) carbines. Main difference from other rails – slots mating the ribs of original receiver cover. Can be installed using rivets or small bolts and nuts (in this case Loctite is recommended). Receiver cover with Weaver rail typically used for magnifier which work in pair with red-dot scope, also small red-dot can be installed. With this top rail owner can easily upgrade carbines and have base for different scopes.
Rail installed with bolts (our way) and Loctite
Usually this rail used for magnifiers (day, night, thermal)